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125 Cards in this Set
- Front
- Back
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The part of the body through which food passes is the what
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alimentary canal
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The body system that breaks down food for the purpose of transporting nutrients to the body cells is:
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digestive
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All the functional parts of the _______________ system are called the alimentary canal.
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Digestive
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The digestive process starts with the stomach.
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false
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The esophagus is part of the alimentary canal.
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true
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The ___________ produces digestive enzymes to aid in the breakdown of foods.
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stomach
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What is the function of the liver and pancreas?
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to aid digestion in the small intestine
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The gall bladder produces bile.
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false
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The pancreas produces enzymes and what
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insulin
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The liver produces
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bile
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Bile is needed to break down:
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fats
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Small projections in the small intestine which pass on nutrients to the blood stream are called
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villi
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The basic function of the large intestine is to _______________________
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Carry away undigested waste
Absorb water |
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___________ is the iron compound in red blood cells.
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Hemoglobin
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The major parts of the excretory system are:
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Skin
Kidneys Blood Lungs |
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The primary function of the excretory system is to ______ wastes from the body
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remove
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Delivery of nutrients and picking up waste products is the function of the ____________
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blood
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A waste product carried by the blood:
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carbon dioxide
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What organ acts like a filter to clean-up the blood?
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kidney
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How is carbon dioxide removed from the blood?
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by the lungs
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Vessels which carry blood back to the heart are what
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veins
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Vessels which transport blood from the heart are called what
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arteries
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The thinnest blood transfer tubes in the body are what
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capillaries
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The thinnest blood transfer tubes in the body are
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supplies blood with oxygen removes carbon dioxide from the blood
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The chemical which carries oxygen in the red blood cells is called what
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hemoglobin
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Which element is necessary for hemoglobin to function properly?
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iron
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What is the function (purpose) of hemoglobin?
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to carry oxygen in blood cells
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Name the products removed by the kidneys.
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poison
Salt Water Urea |
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Which organ stores the liquid waste products of the blood?
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bladder
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Waste products are also removed by the skin.
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true
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In order for skin to operate properly, it must be what
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cleaned
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The first line of protection, which prevents germs and dirt from entering the body, is the______
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skin
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The major waste product eliminated by the lungs is
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carbon dioxide
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The major waste product eliminated by the lungs is
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kidneys
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The blood picks up nutrients from the _____ of the small intestine
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villi
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The organ that serves as a cooling system for the body by means of evaporation is the______________
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skin
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The sending end of neuron cells; neuron end with little knobs on each band.
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axon
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The lower back of the brain; coordinates muscle movements.
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cerebellum
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The front part of brain; seat of all intelligence and thought
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cerebrum
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The receiving end of a neuron; many-pointed branches.
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dendrite
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The lowest part of the brain; the top of the spinal cord.
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medulla
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A nerve cell.
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neuron
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Region between neurons that chemically passes on messages.
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synapse
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The three main parts of the central nervous system are:
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brain
Nerves Spinal Cord |
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The system of the body senses the environment:
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nervous
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The area of the brain responsible for memory and creativity is the:
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cerebrum
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The area of the brain which controls balance is the:
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cerebellum
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The portion of the brain which controls the involuntary muscles is the:
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medulla
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The nerve bundles transmit ________ messages like wires in a telephone system.
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electrical
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A nerve cell is a:
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neuron
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The part of the nerve cell which receives messages is the_____________
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Dendrite
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The long segment of a nerve cell leading from the nerve cell body which transmits electrical signals to the next cell is the ______
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axon
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the branch of biology that deals with the interrelationships between organisms and their environment
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Ecology
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Major ecological grouping of plants and animals.
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biome
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All ecosystems have both biotic ________ and abiotic _________ factors.
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living and nonliving
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Biomes found on the land are
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terrestrial
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Biomes which occur in the oceans or lakes are
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aquatic
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Score:
The Atlantic ocean represents one large marine biome. |
false
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Bacteria on legumes are able to fix nitrogen from the air.
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true
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Carl Correns devised the Punnett Square.
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false
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Mitosis results in new cells with the same number of chromosomes as the parent cell from which they came.
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true
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The tundra biome does not have trees.
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true
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Bile breaks down proteins for digestion.
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false
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A characteristic common to all biomes is the presence of cycles such as the nitrogen cycle.
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true
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The DNA molecule has a sugar-phosphate backbone.
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true
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The cerebellum is the location of intelligence and thought.
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fasle
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The medulla controls breathing and heartbeat.
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true
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A dendrite is the sending end of a neuron.
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false
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The cerebrum controls coordination of all muscles.
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false
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The bone marrow makes red blood cells.
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true
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The skin acts as a cooling system by means of evaporation.
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true
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Digestive juices are rich in enzymes.
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true
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The patella is a bone located in the _________________
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knee
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The energy for photosynthesis comes from what
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the sun
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Food tubes that make up the transport system of plants are called the _______________
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Vascular bundles
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Phototropism is a response to
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light
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Hydrotropism is a response to
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water
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The gallbladder stores a substance known as _______________ , which emulsifies fat
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bile
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Arteries are tubes that carry blood ____ the heart.
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from
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The kidneys purify the liquid part of the
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blood
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The collar bone is known as the _______________
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Clavicle
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The science which investigates the structure, composition and changes in matter is
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chemistry
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The science which investigates the structure, composition and changes in matter is
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physics
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The material from which all things are made is called
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matter
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The entire universe appears to be made from the same elements found on earth.
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true
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A curious property of light is that it behaves similar to
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whisky
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Light can pass through:
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a vacuum and some solids
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Solids that will permit all light to pass through are called
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transparent
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Which type of solid will cast a shadow?
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opaque
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All the colors of the rainbow represent the entire electromagnetic spectrum.
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false
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Visible light is a _______ portion of the energy spectrum.
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very small
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What do X-rays, cosmic rays, and ultra violet light have in common?
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they are part of the invisible electromagnetic spectrum
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When did Sir Isaac Newton experiment with light?
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1600 +
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Substances found to the left of the stairs on the Periodic Table are metals.
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true
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Radioactive substances are the last period of elements (at the bottom of the chart).
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true
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The major function of the large intestine is to absorb food.
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false
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A mutation is a beneficial change in a gene that is transmitted to offspring.
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false
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Red is the shortest wave of the visible spectrum.
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false
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Bile breaks down fats and aids in digestion.
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true
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Friction hinders work, but it is necessary for walking.
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true
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When 10 pounds are moved 10 feet, 100 foot-pounds of work are done.
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true
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Light travels faster through glass than it does through air.
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false
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The science which conducts research in the relationships of energy and matter is
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physics
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The entire universe appears to be made from the same elements found on Earth.
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true
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Solids that will permit all light to pass through are called opaque.
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false
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The colors of an opaque object are the result of:
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refracted light
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In the English system, force is measured as:
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lbs.
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A single chemical which will not divide into any other simpler substance is:
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an element
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The chromosphere is the visible surface of the sun.
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false
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Radioactive substances are located on the top period of the Periodic Table.
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false
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A study of the spectrum of the sun led to the discovery of helium.
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true
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Fusion of hydrogen is the main source of the sun's energy.
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true
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A solar flare may cause charged particles to enter the earth's atmosphere.
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true
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Apparent magnitude refers to real luminosity.
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false
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The tilt of the earth on its axis is a major factor in causing the seasons.
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true
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The corona is a halo of light around the sun; it consists of gases.
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true
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The clavicle is a leg bone.
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false
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Studying Fraunhofer lines helps to identify _____________
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Elements on the stars.
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The simplest particle of an element is
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atom
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It is probable that all the conditions which support life on planet Earth simply occurred by chance.
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false
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The speed of rotation at the equator is greater than that in Canada.
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true
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If the Earth's axis was not tilted:
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daytime and nighttime would always be equal
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The imaginary lines which divide the Earth into areas of "15" are called
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latitude lines
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The line of longitude which is 0° is called the __________________
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Prime meridian
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When does a lunar eclipse occur?
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when the earth's umbra covers the moon
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