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15 questions
It is a specialized shaped glass that can break white light into different colors.
light spectrum
rainbow
white light
prism
It is the light of the sun which is made up of many different colors of light added together.
rainbow
white light
light spectrum
These are the seven colors of light.
artificial source
prism
light spectrum
white light
________ is formed when a source of light is blocked.
shadow
echo
lightning
pitch
How does light travel?
in a zigzag line
in a spiral line
in a curvy line
in a straight line
Sounds can be produced when an object vibrates then cause air particles to move and create sound waves.
true
false
What is produced when a sound wave is reflected?
shadow
pitch
volume
echo
This is where sound will travel the slowest because of its particles which are far apart.
solid
liquid
air
water
It is the loudness or softness of sound.
volume
pitch
echo
sound waves
How do objects make a low pitch sound?
faster vibrations
slower vibrations
no vibrations
Which type of heat comes from deep within the Earth?
solar energy
geothermal energy
geology energy
core energy
Which is the main source of heat and light on Earth?
stars
ocean
moon
sun
Which statement is TRUE?
We should always touch the flat iron to check its heat.
Geothermal energy can be turned into electricity.
Burning fuels is the best way to use energy and care for the Earth.
Plants use light from the sun to make their own food.
TRUE or FALSE:
Electricity can be a source of heat.
TRUE or FALSE:
Burning fuels can help vehicles work, make electricity and other materials.
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