SOUND :)
LIGHT :)
T OR F :)
FORCES AND MOTION:)
SIMPLE MACHINES :)
100
Without sound it would be harder for people or animals to comunacate.
Why is sound important?
100
A prism is an object that seperates white light into colors or colors into white light.
What is a prism?
100
true. light can travel in space
You can see light in space.
100
pulls and pushes like push a pencil.
Name a type of force.
100
the fixed point of a lever is a .....
What is a fulcrum?
200
There are n air or air particals to carry the sound.
Why can't you hear in Space?
200
It helps people see in the dark.
Why is light important?
200
true earth has air
You can here on Earth.
200
a push or pull of any kind.
What is a force?
200
a bar that pivots on a fixed point
What is a lever?
300
Sound travels fastest in solid,so it travels fastest in steel.
What can sound travei fastest in?
300
It will help you see.
Name a ways light is useful.
300
false space has no air
You can hear in space.
300
a change of position of an object.
What is motion?
300
a wheel with a line around it.
What is a pully?
400
It travels slowest in gas (air).
What does sound travel slowest in?
400
Without it, it you'lld be dark for ever(night time).
Why do we need the sun?
400
false earth only has 1
Earth has 2 moons.
400
a rolling ball and a swimming fish are in motion.
Name 2 objects in motion.
400
it must have a wheel and axel that turn together.
What is a wheel-and-axel?
500
It helps us talk and it is enttertaning
Name 2 ways sound is important.
500
It is a source of heat that helps you see.
What is light?
500
true i pluto is a durf planet.
There are 7 planets.
500
The location of an object.
What is an object in position?
500
a post with thread wrapped around it.
What is a screw?
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