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46 Cards in this Set

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  • Back
In the Periodic Table, the number given below the symbol for the element is the:
A. number of protons
B. atomic mass
C. number of electron shells
D. the atomic number
B. atomic mass
A collection of observed and measureable results is called:
A. Results
B. Data
C. Scientific Process
B. Data
A judgement based on the data gathered in an experiment is:
A. a skill
B. an hypothesis
C. a conclusion
D. an observation
C. a conclusion
A situation maintained in an experiment in which no variable conditions are introduced is:
A. control group
B. experimental group
A. Control Group
Graduated cylinders are marked with:
A. grams
B. meters
C. millimeters
D. milliliters
D. milliliters
To forecast an event or to anticipate the results of an experiment is called:
A.Results
B.Observation
C.Prediction
C. Prediction
In an experiment, one examines the variable conditions in the :
A. hypothesis
B. experimental group
C. control group
D. assimilation
B. experimental group
Selected variable conditions for experimentation to support or reject a hypothesis are known as:
A. control group
B. experimental group
B. Experimental Group
The length of your pencil would best be measured in units of:
A. centimeters
B. meters
C. kilometers
D. millimeters
A. centimeters
A complete explanation of how or why something happens based on research and testing is known as:
A. Hypothesis
B. Theory
B. Theory
What is the chemical symbol for cobalt?
A. Co
B. Ir
C. Ag
D. Si
A. Co
A substance which exists alone or in some combination is:
A. a liquid
B. a solid
C. a gas
D. matter
D. matter
Grams are used to measure:
A. mass
B. height
C. volume
D. size
A. mass
Increased surface area ______ reaction rate.
A. decreases
B. increases
C. produces
D. stops
B. increases
Isotopes are atoms that have:
A. the same # of protons but a different # of neutrons
B. the same # of neutrons but a different # of protons
C. the same mass
D. an equal # of protons and neutrons
A. the same number of protons but a different number of neutrons
A form of matter which has a definite shape and volume is:
A. a solid
B. a liquid
C. a gas
D. plasma
A. solid
The energy levels in an electron cloud consist of:
A. concentration of electrons
B. positive charges
C. concentration of energy
D. levels where no electrons are found
A. concentration of electrons
A rubber band can be stretched out and will return to its original shape. This property of solids is called:
A. malleability
B. viscocity
C. elasticity
D. mass
C. elasticity
A complete scientific explanation based on experimentation and investigation will help scientists formulate a:
A. hypothesis
B. law
C. theory
D. prediction
C. theory
Substances to the left of the arrow in a chemical reaction are called:
A. catalysts
B. products
C. reactants
D. chemical equations
C. reactants
Deuterium is an isotope of hydrogen which has an atomic mass of 2. How many neutrons must a deuterium have?
A. 0
B. 2
C. impossible to know
D. 1
D. 1
The molecules in gases are:
A. moving slowly
B. tightly packed
C. moving very fast
D. macroscopic
C. moving very fast
One liter is equal to:
A. 1000 mL
B. 100 mL
C. 10 mL
D. 1000 centiliters
A. 1000 mL
Some of the microscopic characteristics of matter are:
A. color, odor, and shape
B. density, structure, bonding
C. hardness and weight
D. feel, taste, solubility
B. density, structure, bonding
You should report a chemical spill to your teacher:
a. immediately
b. after you've finished cleaning up the spill
c. only if you think the spill if dangerous
d. after you've finished the experiment so your results are not ruined
A. immediately
How many neutrons do most atoms of flourine have?
A.9
B.10
C.18
D.19
B. 10
The mass of an average man would best be measured in:
A. cubic centimeters
B. liters
C. meters
D. kilograms
D. kilograms
When a substance condenses, it changes from:
A. a liquid to a solid
B. a liquid to a gas
C. a gas to a liquid
D. a gas to a solid
C. a gas to a liquid
The apple falling from the tree was basic to Issac Newton in proposing his theory about the movement of planets--an example of:
A. Inductive reasoning
B. Deductive reasoning
C. Extrapolation D. A theory
B. Deductive reasoning
Mixing salt and sugar is a :
A. physical change
B. chemical change
C. new substance
D. new compound
A. physical change
An element that is in the same family as flourine is:
A. lithium
B. boron
C. chlorine
D. oxygen
C. Chlorine
Which elements of the Periodic Table are radioactive?
A. Elements on left of Table
B. Elements w/atomic #'s >83
C. Elements w/atomic #'s <83
D. Elements on right of Table
B. Elements with atomic numbers greater than 83
The amount of space an object takes up is measured by:
A. weight
B. mass
C. density
D. volume
D. density
Snow melts to form water. This is an example of:
A. new substance
B. a chemical change
C. a physical change
D. temperature decreasing
C. a physical change
In Kelvin temperature scale, water freezes at:
A. 0 K
B. 180 K
C. 273.15K
D. -273.15K
C. 273.15
An example of a chemical change is:
A. freezing
B. rusting
C. boiling
D. condensing
b. rusting
In an experiment, one examines the variable conditions in the :
A. hypothesis
B. experimental group
C. control group
D. assimilation
B. experimental group
Neon has eight electrons in its outer shell. It is a:
A. alkali metal
B. alkaline earth metal
C. halogen
D. noble gas
D. noble gas
The amount of matter in an object is called its:
A. volume
B. density
C. mass
D. size
C. mass
A cubic centimeter is equal to:
A. 1 liter
B. 10 milliliters
C. 10 centiliters
D. 1 milliliter
D. 1 milliliter
The statement, "An object fell 5 meters in 1 second." is :
A. a control
B. an observation
C. a conclusion
D. a theory
B. An observation
Gathering information through observation and experimentation is a part of:
A. deductive reasoning
B. laboratory tools
C. the Scientific Method
D. measurements
C. the Scientific Method
An element with no luster is:
A. silver
B. sulfur
C. zinc
D. aluminum
B. sulfur
The entire collection of observations and results from an experiment is called:
A. evaluation
B. data
C. theory
D. control group
B. Data
The final results of a science experiment can be summarized in a:
A. conclusion
B. a written report
C. graph
D. all of the above
D. All of the above
The volume of a liquid held in an eyedropper would best be measured in:
A. milllimeters
B. milliliters
C. milligrams
D. cubic centimeters
B. Milliliters