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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
amplitude
B
echo
C
transparent
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
rainbow
B
prism
C
insulator
4) When sound is reflected off a sufrace it is called a/ an
A
amplitude
B
echo
C
refraction
5) A balloon can stick to a wall because of
A
current electricity
B
static electricity
C
radiation
6) An _____________ does NOT transfer heat
A
insulator
B
parallel circuit
C
acid
7) Water and clear plastic are both _____________.
A
accelerators
B
insulators
C
transparent
8) In a ______________ electricity can flow through more than one path
A
current electricity
B
parallel circuit
C
series circuit
9) Light ____________, or bends when it travels through materials like glass.
A
retracts
B
refracts
C
radiates
10) The flow of electrical charges through a circuit is called __________________.
A
current electricity
B
static electricity
C
mean electricity
11) NOT a physical change
A
an iron nail rusts
B
paper cut into pieces
C
clay molded into a new shape
12) Which statement is false
A
a solution can never be seperated
B
the air people breathe is a solution of gasses
C
an alloy always contains metal
13) Which of the following take splace when a substance undergoes a chemical change?
A
a change of matter
B
a change of state
C
change of size
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
methods used to return an alloy to its original metals
B
ways to seperate a solution
C
ways to seperate a mixture
16) How can you determine the speed of a moving train?
A
multiply the velocity by the distance traveled
B
divide the time spent moving by the direction traveled
C
divide the distance traveled by the time spent moving
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 stored and late released
B
energy spent to complete the task
C
a force used to move an object a certain distance
19) compound machine?
A
pulley
B
scissors
C
lever
20) Which of the following statements is false?
A
energy cannot change from potential to kinetic
B
energy can be either potential or kinetic
C
energy is the ability to do work
*select an answer for all questions
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