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