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Science Review Part 2
Test Description: Review Chapters 10, 11, and 12
Instructions: Answer all questions to get your test result.
1) The amount of energy in a sound wave is called its _______________
A
transparent
B
amplitude
C
echo
2) Energy travels from the sun to the earth by
A
evaporation
B
echo
C
radiation
3) A _______ can seperate white light into bands of colored light.
A
insulator
B
rainbow
C
prism
4) When sound is reflected off a sufrace it is called a/ an
A
refraction
B
amplitude
C
echo
5) A balloon can stick to a wall because of
A
static electricity
B
current electricity
C
radiation
6) An _____________ does NOT transfer heat
A
insulator
B
acid
C
parallel circuit
7) Water and clear plastic are both _____________.
A
insulators
B
accelerators
C
transparent
8) In a ______________ electricity can flow through more than one path
A
parallel circuit
B
series circuit
C
current electricity
9) Light ____________, or bends when it travels through materials like glass.
A
radiates
B
refracts
C
retracts
10) The flow of electrical charges through a circuit is called __________________.
A
mean electricity
B
static electricity
C
current electricity
11) NOT a physical change
A
an iron nail rusts
B
clay molded into a new shape
C
paper cut into pieces
12) Which statement is false
A
the air people breathe is a solution of gasses
B
an alloy always contains metal
C
a solution can never be seperated
13) Which of the following take splace when a substance undergoes a chemical change?
A
change of size
B
a change of matter
C
a change of state
14) Which of the following is a true statement
A
2 or more elements can physically combine to create a unique element
B
compounds are made up of elements that exist in the same state as the resulting compound.
C
When elements join to form a compound they lose their original properties
15) Settling and filtration are examples of
A
ways to seperate a solution
B
ways to seperate a mixture
C
methods used to return an alloy to its original metals
16) How can you determine the speed of a moving train?
A
divide the time spent moving by the direction traveled
B
divide the distance traveled by the time spent moving
C
multiply the velocity by the distance traveled
17) friction is best described as
A
a force that helps move objects
B
a force that works against motion
18) Work is defined as
A
energy spent to complete the task
B
energy stored and late released
C
a force used to move an object a certain distance
19) compound machine?
A
lever
B
pulley
C
scissors
20) Which of the following statements is false?
A
energy can be either potential or kinetic
B
energy is the ability to do work
C
energy cannot change from potential to kinetic
*select an answer for all questions
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