Light Energy
A form of energy that helps you see.
Light Energy
a form of energy that can be heard and comes from objects that vibrate
Sound Energy
heat energy that is measured as hot or cold temperatures
Thermal Energy
the energy of an object due to its motion or position
Mechanical Energy
a measure of how fast or slow an object moves
Speed
Choose the objects that produce light energy:
paper sun sunglasses traffic light
sun
traffic light
A back-and-forth motion.
Vibration
Turning on an oven increases/decreases the thermal energy.
increases
Give an example mechanical energy.
Anything with change of motion/position.
Answers vary
When riding your bike how can you increase your speed?
Pedal faster
What is light?
A.) A form of matter B.) A form of energy
C.) A sound D.) A force
A form of energy
Why does a drum make sound?
When you hit a drum, it vibrates causing sound energy.
How does removing thermal energy affect an object?
It becomes cooler
When does a blender have mechanical energy?
When it is turned on
Two cars are traveling the same direction. How do they have different amounts of mechanical energy?
One is traveling at a slower speed.
Which objects are primarily used for light energy
T.V. Microwave Lantern Remote Toy Car
T.V. Lantern
Do people use sound energy to communicate?
Yes. Sound energy allows people to talk and listen.
Which objects have the main purpose of making thermal energy?
hair dryer fridge campfire flashlight
hair dryer and campfire
Does a taller or shorter ramp have more mechanical energy?
taller ramp
Which has the most speed and mechanical energy?
airplane parked on runway turtle crossing street
turtle crossing street
How can light be used to send messages?
Fire alarm - police/fire truck light - traffic light
answers may vary
How do alarms use sound energy?
Alarms alert people that there is danger, to clear the way or to wake up.
Can thermal energy be dangerous?
Yes, it can burn your skin.
When riding a scooter, what is the source of mechanical energy?
The person riding
How do you knock down all the cans with a ball at a carnival game?
Throw the ball faster so the greater mechanical energy will knock more cans over.