How Physical Are You? Question Preview (ID: 1862)
4th Grade Physical Science Review Questions.
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Heat energy moves in predictable ways, flowing from
a) warmer objects to cooler ones
b) cooler objects to warmer ones
c) objects of the same temperature
d) west to east
When light passes from one substance to another it
a) is reflected
b) is absorbed
c) doesn't change direction or speed
d) is refracted
Mass is defined as
a) the amount of matter in an object
b) the force of gravity on an object
c) the amount of space an object takes up
d) the speed of an object
Gravity, magnetism, and friction are examples of
a) waves
b) forces
c) molecules
d) energy
In which of the following materials are the molecules closest together?
a) a rock
b) orange juice
c) air
d) water
In which type of electric circuit are there many paths for electrons to flow?
a) closed
b) series
c) parallel
d) open
If you hold a magnet's north pole to another magnet's north pole, what will happen?
a) They will attract
b) They will repel
c) They will move forward quickly
d) They will create a new magnetic pole
Which material is opaque?
a) water
b) waxed paper
c) brick
d) window glass
What happens when light hits a smooth surface?
a) The rays bounce back in the same direction
b) The rays bounce back in different directions
c) The rays bend
d) The rays are absorbed by the material
Sound waves travel fastest through
a) air
b) water
c) solids
d) outer space
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