energy
energy cannot be created or destroyed
what is the law of conservation of energy?
The size of an object
what can a force change?
An object that orbits a planet
what is a satellite?
The energy that increases as an object gets higher
what is gravitational potential energy?
The force that occurs when air pushes against a moving object
what is air-resistance?
Gravity
what force keeps objects in orbit
Waste energy
what is the energy given off that we don’t want?
Tension
what is the force in a stretched rope?
Because the earth takes 365.25 days to orbit the sun
why do we have leap years?
Unit to measure energy
what is a Joule?
The unit for weight
what is a newton?
The tilt of earth’s axis
What causes the seasons?
What energy change occurs in a microphone
sound to electrical
Unbalanced
what type of forces change an object?
An icy rock that orbits the sun
what is a comet?