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Science T-CAP Practice Questions #2
Test Description: Practice Test Questions
Instructions: Answer all questions to get your test result.
1) Which is the most abundant gas in the Earth's atmosphere?
A
Oxygen
B
Argon
C
Water Vapor
D
Nitrogen
2) What is the common outcome of all chemical changes?
A
New substances with more atoms
B
Fewer atoms
C
New substances form from the same number of atoms
D
The same number of compounds
3) Which group of nonmetals is the most reactive?
A
Group 12
B
Group 18
C
Group 1
D
Group 17
4) Which of the following could be used as the core of a simple electromagnet?
A
pencil
B
aluminum foil
C
drinking straw
D
iron nail
5) What will happen if the north poles of two magnets are moved toward each other?
A
The poles will attract each other.
B
Electricity will be produced.
C
Nothing will happen.
D
The poles will repel each other.
6) What happens to the force of gravity between to objects if the distance between them increases?
A
The force of gravity increases.
B
The pull of gravity disappears.
C
The force of gravity decreases.
D
The pull of gravity stays the same.
7) In addition to distance, what factor determines the force of gravity between two objects?
A
the volume of each
B
the diameter of each
C
the mass of each
D
the chemical formula of each
8) Which of these BEST describes the movement of particles in a solid object?
A
They slide past each other while vibrating.
B
They move rapidly in all directions.
C
They vibrate but do not move past each other.
D
They move rapidly within their container.
9) A + BC --- B+ AC What are the reactants in the chemical equation.
A
AC
B
B
C
A and BC
D
B and AC
10) A student wants to determine if an unknown metal contains iron. Which tool will best help the student determine this information?
A
magnet
B
graduated cylinder
C
spring scale
D
balance
11) The law of superposition states that __________________________________.
A
older layers of sedimentary rock lie beneath younger layers
B
sedimentary rock forms from the remains of living things
C
fossils form when sedimentary rock covers the remains of organisms
D
younger layers of sedimentary rock lie beneath older layers
12) A student mixes two substances that undergo a chemical reaction. The reaction forms three products, each having a mass of 25 grams. What is the total mas of the reactants?
A
75 grams
B
25 grams
C
50 grams
D
125 grams
13) A student is investigating the properties of a piece of wood. Which of these actions would change the chemical properties of the wood?
A
burning it
B
pushing it underwater to measure its volume
C
cutting it
D
drawing on it
14) Which describes an element that is located along the zigzag line of the periodic table?
A
gas
B
solid
C
metalloid
D
metal
15) A student wants to find the best conditions for growing pumpkins. The student conducts research and learns that pumpkins grow best in partial sunlight. What is the independent variable?
A
amount of sunlight
B
volume of pumpkin
C
temperature
D
mass of pumpkin
*select an answer for all questions
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