What is not a form of energy?
1. Potential
2. Chemical
3. Light
4. Air
Air energy... doesn't exist!
100
Energy _________ change from one form to another. (Can, cannot)
It CAN change!
100
Moving objects have energy of ___________. (Transfer, motion)
Motion!
100
The faster an object moves, the __________ energy it has (more, less)
The MORE energy it has!
200
Some of the Sun's light energy changes to _____ energy when it hits the Earth.
Heat energy!
200
________ waves carry energy forward as water moves in place.
Ocean waves!
200
The energy for a flashlight comes from ____________. (Batteries, switches)
Batteries!
200
Which object changes stored energy into electricity?
1. Shovel
2. Lamp
3. Fan
4. Battery
A battery!
300
___________ energy is carried in waves and causes parts of the ear to vibrate.
Sound energy!
300
Sound waves are ____________ waves. (Compression, earthquake)
Compression waves! (Like the green slinky picture!)
300
Your body gets energy from breaking down __________.
Food!
300
Energy from fuel can be changed into useful forms, such as heat, light, and __________. (Motion, sunlight, batteries).
Motion!
300
____________ waves carry energy forward after the ground moves along a crack. (Earthquake, sound)
Earthquake waves!
400
Which statement about sound waves is true?
1. Sound waves are made from light waves.
2. Sound waves are often used to make electricity.
3. Sound waves move energy from one place to another.
4. Sound waves move only through air.
Sound waves move energy from one place to another.
400
When a moving object strikes another object, energy is __________ to the second object. (Thermal, transferred)
It's transferred!
400
When two objects rub together, ________ makes heat. (Friction, thermal)
Friction!
400
Energy from a power plant comes to your home in the form of _____________. (Energy of motion, electricity).
It comes to your home as electricity!
400
________ waves made the salt move on top of the cup when you said "Ahhhhh" loudly.
Sound waves did that!
500
From a power plant, electricity moves through _________ to your home. (wires, waves).
Wires!
500
A ________ change inside the small hand warmer caused the temperature inside to change to heat. What kind of change was it?
Chemical change!
500
An _______________ can change electrical energy into another useful form of energy for your house. For example- a tv or a stove. (Electrical appliances, outlets).
Electrical appliances! They change electrical energy into heat (like the stove).
500
Moving __________ can spin a turbine in a power plant. That produces energy!
Moving water spins the turbines.
500
Explain how the Sun’s energy gets to Earth and why the
Sun’s energy is important on Earth
Energy from the Sun comes to Earth as light waves. The Sun provides almost all of the energy that life on Earth needs to live and grow. It also keeps Earth warm.