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16 questions
Which form of energy travels faster than anything in the universe?
electrical energy
sound energy
heat energy
light energy
Which forms of energy are produced by a light bulb?
heat and light energy
light and sound energy
heat and mechanical energy
light and nuclear energy
Which form of energy travels in waves?
light energy
sound energy
both light and sound energy
no form of energy travels in waves
What is the name of the document that shows the person who first invented something?
a copyright
a trademark
a declaration
a patent
What form of energy must travel through matter (solid, liquid, gas)
light energy
sound energy
both light and sound energy
no form of energy can travel through matter
What causes the colors of a rainbow to be seen when light passes through raindrops?
the light is REFLECTED (bounced) off the raindrops
the light is ABSORBED (soaked up) by the raindrops
the light is REFRACTED (bent) by the raindrops
the light travels in a straight line through the raindrops
Which of the following objects was not invented by Thomas Edison?
the light bulb
the telephone
the motion picture camera
the first voice recordings
What is missing between the sun and the animal in this energy chain?
SUN - ________ - ANIMALS - PEOPLE
water
soil
plants
animals
___________________ was the inventor of the light bulb.
Thomas Edison
Joseph Priestly
Albert Einstein
George Washington
Sound travels fastest through this type of matter.
solid
liquid
gas
water
__________________ means to bounce back light.
reflect
refract
absorb
echo
___________________ means sound reflecting off a surface or other material.
reflect
refract
abosorb
echo
________________ means to give off.
emit
echo
reflect
refract
If a tree falls in a forest and no one is there to hear it, does it make a sound?
No, because the molecules vibrating will not reach our ears.
Yes, because sound is caused by vibrations. A tree falling would make a BIG vibration and cause sound waves to travel through the forest.
Is there sound in space?
No, because sound needs matter to travel through, and there is no matter in outer space.
Yes, because outer space has an atmosphere like Earth.
Is there light in outer space?
No, because light need matter to travel through.
Yes, because light doesn't need matter to travel through.
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