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39 Cards in this Set
- Front
- Back
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What types of evidence are there for plate tectonics?
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Earthquakes
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What part of a river erodes the most?
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The shore, or the river bank.
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What type of muscle is the heart made of?
Smooth, Cardiac, or Skeletal? |
The heart is made of Cardiac muscle.
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What body system does the adrenal gland belong to:
endocrine, muscular, cardiac, or nervous? |
The adrenal gland is part of the endocrine system.
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What is newtons 1st law of motion?
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An object at rest remains at rest, and an object in motion remains in motion at constant speed and in a straight line unless acted on by an unbalanced force.
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If you have two magnets with the same polarity will they attract or repel? i.e. ++ or --
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They will repel each other.
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Most stars are main sequence stars; True or False?
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True, most stars are main sequence stars, in the middle of their "lives"
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List the planets of the Solar system, in order.
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Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune.
(if you said Pluto you are wrong, it is no longer part of the Sol system) |
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All normal cells, plant, animal, and human, have two nuclei; True or False?
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False, only cancerous or abnormal cells have more than one nuclei.
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Name three renewable resources
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Wind, Solar, Geothermal
Answers will vary |
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How do normal cells differ from normal cells?
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Normal cells contain 46 chromosomes while sex cells have only 23;
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What is the difference between the type of nuclear fission used in Power plant reactors and the type used in nuclear weapons?
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The difference is that in a nuclear reactor the reaction can be controlled and is not destructive, however in a nuclear weapon the reaction is meant to do harm is definitely not controlled.
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BONUS:
If your lymph nodes are swollen, this is a symptom of Lymphoma? True or False |
True, but swollen lymph nodes are a symptom of many diseases and can even be caused by growth spurts and large release of hormones during puberty.
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BONUS: When was the first successful heart transplant carried out?
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The world's first human heart transplant was performed by Christiaan Barnard on December 3, 1967, in Cape Town South Africa, on a man called Louis Washkansky.
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BONUS: describe the greenhouse effect
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The greenhouse is effect is called this because as c02 and other gasses collect in the atmosphere the effect is the same. When infrared radiation will pass through the gas in the atmosphere or the glass of the green house it will be trapped on the inside, heating up the greenhouse or earth.
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BONUS: artificial selection vs. natural selection?
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Artificial selection is the purposed mating of two breed, such as dogs, for their qualities;
Natural selection, is survival of the fittest, the fittest survive, mate, and go on to provide offspring that are more adapted to their current environment. |
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BONUS
What must be present for a chemical reaction to take place? |
Energy of some kind
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True or false Gas expands inside of a contained space, and takes the shape of it's container.
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True gasses expand to fill and take the shape of their container
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What is the PH level of water?
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Water is 7 PH it is in the middle of the scale and is also neutral
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BONUS Is the PH level of the human stomach is closer to the acidic side or the basic?
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The contents of the stomach are closer to the acidic side
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BONUS
What are lipids? |
Lipids are biochemicals that do not dissolve in water, they are fats, oils, and waxes
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What are carbohydrates?
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A class of energy-giving nutrients that includes sugars, starches, and fiber
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What is THE FORCE?
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Mass X Acceleration= Force
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What is the crest of a wave?
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The top-most point of the wave parabola AKA arc
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What is the trough of a wave?
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The lowest point of the wave parabola
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What type of waves do not need a medium, like air or water?
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Electromagnetic waves
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Why are bridges made with holes, why are normal asphalt roads not?
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Bridges are made of metal and are made to be movable, and to compensate for heat expansion, if they were made without holes, in sheets, then the metal would not last
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BONUS why is so much lead and concrete used around a nuclear reactor, and power station?
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To shield the surrounding environment from the radiation produced
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BONUS What is the nitrogen cycle?
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The process in which nitrogen circulates among the air, soil, water, plants, and animals in an ecosystem
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Define: activation energy
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The minimum amount of energy required to start a chemical reaction.
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What is the kinetic of an object called?
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It is called temperature
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BONUS: what type of radioactive particles can go through human skin?
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All of them
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What is radioactivity?
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The process by which an unstable nucleus gives off a nuclear radiation
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True or false? Salt water is a conductor of electricity?
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True salt water may not be the most efficient conductor, but it does conduct an electric current
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What is a nuclear half life?
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A half-life is the amount of time it takes one half of the nuclei of a radioactive isotope to decay.
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BONUS
What are the 3 R's? |
Reduce, Reuse, and Recycle
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What is a neutron star?
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A neutron star is a star that has collapsed under gravity to the point at which all of the stars particles are neutrons.
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Define the term, Black Hole.
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A celestial body with such an intense pull that nothing, not light, not electromagnetic radiation – nothing can escape its pull;
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BONUS: How are black holes formed?
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Most common theory is where a colossal star with a mass of more than 3 times the Sun’s reaches the end of its life, gets crushed under its own gravity, leaving behind a compact blackhole.
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