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29 Cards in this Set

  • Front
  • Back
What is energy
Energy is what is needed to do work.
What are they types of energey
Mechanical
Sound
Light
Heat/thermal
What is force?
A push or pull that causes an object to move, stop, or change direction
What is friction
Rubbing of one object against another object
What is gravity
The force that pulls objects towards the center of the earth.
What is heat?
Thermal energy is felt as heat, heat is the movement of thermal energy from one place to another
what is the main source of light energy
sunlight
What does light energy do?
helps us communicate and share information
What is magnetism
Attraction to a magnet because it contains iron
What is mass?
The amount of matter in an object.
What is mechanical energy?
Energy produced by a machine or moving part. Mechanical energy is the ability to do work.
What does mechanical energy do?
Mechanical energy enables an object to apply force to another object in order to cause it to move or change positions.
What is a meter?
A metric unit used to measure length or distance.
100 cm is?
1 meter
What is a meter stick?
A tool one meter long that is marked off in centimeters
What is motion?
A change in position.
What is pitch?
The speed of vibration.
What is position?
Position is where an object is located in space.
What does it mean to predict.
Predict means to guess before something happens.
What is solar energy?
Energy produced by the sun.
What is sound energy?
Energy from vibrations that you hear. Sound energy helps us to communicate and share information
What is a sound recorder.
A tool used to record sound.
What is a sphere
A three dimensional object such as a ball.
What is a spring scale?
A scale that measures force
What is thermal energy?
energy produced by heat.
How do you produce thermal energy
by rubbing things together, burning things, mixing chemicals. Heat/thermaal energy helps cook food and keeps us warm in the winter
What is vibration?
Rapid movement back and forth.
What is weight?
A measure of gravity's pull on an object.
What is work?
movement of change, it happens when a force causes change.