What is the form that energy comes from the sun?
What is thermal?
The speed of an object depends on the amount of energy you apply to it. True or false?
True
What two forms of energy come from a lightbulb?
Heat and Light Energy
What type of energy is used to cook pancakes?
Heat energy
This form of energy is produced by vibrations.
Sound Energy
The Bouncing back of light from a surface
Reflection
This fan transforms electrical energy into which type of energy?
How does a guitar produce sound energy?
The strings vibrate and transmit sound energy.
This form of energy is produced using solar power (solar panels) fossil fuels, wind (windmills), moving water, etc.
Electric energy
When light hits an object it is either, ___ or ___).
Reflect and absorb
Solar panels transform light energy from the sun into which type of energy?
Electrical energy
What type of energy caused the accident between the two cars?
Energy of motion
Heat energy flows from an area of low heat to an area of high heat. True or false?
False - Heat energy flows from an area of high heat to low heat. Think about when you put something that's hot in the refrigerator.
Objects that are made out of ____ are conductors.
Objects that are made out of ____ are insulators.
Objects that are made out of metal are conductors.
Objects that are made out of foam/plastic are insulators.
Describe the energy transformation used by the lamp.
The lamp uses electrical energy that is transformed into light.
How does light travel from a source?
1. All directions
2. Zig-zag line
3. Straight line
4. Straight line in all directions
Straight line