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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
radiation
C
echo
3) A _______ can seperate white light into bands of colored light.
A
prism
B
rainbow
C
insulator
4) When sound is reflected off a sufrace it is called a/ an
A
echo
B
amplitude
C
refraction
5) A balloon can stick to a wall because of
A
radiation
B
static electricity
C
current electricity
6) An _____________ does NOT transfer heat
A
insulator
B
acid
C
parallel circuit
7) Water and clear plastic are both _____________.
A
insulators
B
transparent
C
accelerators
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
radiates
B
retracts
C
refracts
10) The flow of electrical charges through a circuit is called __________________.
A
current electricity
B
mean electricity
C
static 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
an alloy always contains metal
B
the air people breathe is a solution of gasses
C
a solution can never be seperated
13) Which of the following take splace when a substance undergoes a chemical change?
A
a change of matter
B
change of size
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 mixture
B
methods used to return an alloy to its original metals
C
ways to seperate a solution
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 works against motion
B
a force that helps move objects
18) Work is defined as
A
energy stored and late released
B
a force used to move an object a certain distance
C
energy spent to complete the task
19) compound machine?
A
scissors
B
lever
C
pulley
20) Which of the following statements is false?
A
energy can be either potential or kinetic
B
energy cannot change from potential to kinetic
C
energy is the ability to do work
*select an answer for all questions
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