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