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Physical Science Test
Contribué par: Thomas
  • 1. The bouncing of light rays off an object is called...
A) symmetry
B) congruence
C) refraction
D) reflection
  • 2. What part of a telescope refracts light?
A) focus knob
B) lens
C) body tube
D) base
  • 3. Eyeglasses work on the principle of...
A) reflection
B) symmetry
C) rainbow colors
D) refraction
  • 4. When we look at a red bird, which color is reflected?
A) yellow
B) blue
C) red
D) green
  • 5. A rainbow is an example of...
A) light refracted by a telescope
B) white light splitting into colors
C) light reflected by a mirror
D) rainsdrops changing colors
  • 6. An example of an everyday object that works due to reflected light is a...
A) microscope
B) telescope
C) camera
D) tinted car window
  • 7. The bending of light rays by an object is called...
A) congruence
B) symmetry
C) refraction
D) reflection
  • 8. What property changes when an ice cube melts?
A) magnetism
B) melting point
C) ability to conduct heat
D) boiling point
  • 9. At what temperature does ice melt?
A) 10 degrees Celsius
B) 100 degrees Celsius
C) 0 degrees Celsius
D) 90 degrees Celsius
  • 10. Anything that has mass and takes up space is called...
A) matter
B) weight
C) length
D) materials
  • 11. The best conductor of electricity is...
A) rock
B) air
C) metal
D) water
  • 12. All pure water has the same...
A) mass and volume
B) temperature and weight
C) mass and weight
D) freezing, melting, and boiling points
  • 13. The ingredients in a mixture...
A) are illustrated by rust
B) can never be separated
C) are not chemically joined
D) always form a solution
  • 14. When sugar seems to disappear in water, it...
A) evaporates
B) conducts
C) dissolves
D) condenses
  • 15. A solution composed completely of gases is...
A) Kool-Aid
B) petroleum
C) air
D) soda
  • 16. Which property of sugar does not change when it dissolves?
A) shape
B) insulation
C) texture
D) taste
  • 17. A push or pull on an object is called...
A) energy
B) inertia
C) force
D) vibration
  • 18. Which of the following has the greatest inertia?
A) car
B) planet
C) train
D) bowling ball
  • 19. What must be applied to an object to change its motion or direction?
A) force
B) density
C) inertia
D) speed
  • 20. Planets and moons in the solar system keep moving due to...
A) gravity
B) magnetism
C) inertia
D) force
  • 21. The ability to cause change or do work is called...
A) resources
B) enery
C) vibrations
D) fossil fuels
  • 22. Most of the energy used on the earth comes from...
A) electricity
B) the sun
C) sounds
D) waves
  • 23. The motion of something moving quickly back and forth creates...
A) heat
B) electricity
C) sound
D) light
  • 24. Both sound and light energy travel in...
A) parallel lines
B) bent lines
C) waves
D) curved lines
  • 25. Which of the following is NOT a type of energy?
A) electrical
B) sound
C) heat
D) reflection
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