SMILE
A place or object used to tell if something is moving.
Point of Reference
FORMULA FOR SPEED
speed= distance/time
Which action BEST shows how a force can stretch an object?
A. Pressing clay flat. C. Pulling both ends of a rubber band.
B. Bending a wire. D. Twisting a bottle cap.
C. Pulling both ends of a rubber band.
If you bring two magnets close together and they push away from each other, what is happening?
They are repelling to each other.
force that causes a magnet to attract or repel objects
Magnetic Force
What happens to a metal spoon if you leave it in a cup of hot soup for a few minutes?
A. It melts. C. It changes color.
B. It becomes hot to touch. D. It floats.
B. It becomes hot to touch
When heat is applied to an ice cube, what happens first?
It melts
It is the type of source that are made by humans.
Artificial sources
A toaster heats bread until it becomes warm and crispy. What energy is this?
Mechanical Energy
Term refers to a push or pull
Force
The energy you get from food
Chemical Energy
It is known to be the primary source of heat and light on Earth
Sun
It is a form of energy that is produced by vibrating objects
Sound Energy
Give two natural sources of light.
Answer vary.
Lightning
Sun
Fireflies
The ability to do work or cause change
Energy