Light energy
light energy
Listening to music on your headphones is?
Sound energy?
When I put cookies in the oven what cooks the cookies?
heat energy
What is mechanical energy?
When an object moves it gives off mechanical energy?
If you are bowling, what would you need to do to increase the mechanical energy of the bowling ball?
roll the ball at a faster speed
The sun is which two forms of energy?
What source of energy can your phone give out?
light and sound energy?
When I have hot coffee does the coffee have more or less thermal energy?
More thermal energy
Throwing a ball is what?
mechanical energy
Two cars (car A and car B) are traveling in the same direction. How can car B have less mechanical energy than car A?
Car B has to be moving at a slower speed.
Your chromebook is what kind of energy?
Light energy
What two sources of energy does the sharpener give out?
sound and mechanical energy
If the food I have cools down does it loose or keep its thermal energy?
loose
Pushing in my chair is giving what kind of energy?
mechanical
When racing a bike to the end of the street the first bike loses or wins? Why?
They win because they are using more speed.
When you have enough light energy on a light bulb what happens?
The light bulb emits heat energy
When you sing a song what energy are you using?
sound energy
When are you cooking over a fire what types of energy is given off? How do you know?
Cooking over the fire produces light and thermal energy. The fire gives off light and the food cooks with the heat from the fire.
What two types of mechanical energy are there?
what are they?
kinetic - it is moving
potential - it will move
What is a stopwatch used for with speed?
To tell who was the fastest.
Without light energy, would you be able to, see?
No, light energy helps us see.
What ways can sound energy help someone? What ways can sound energy send a message?
Warning sirens
alarms
bells
Will the thermos let thermal energy out or keep it?
keep it.
Do all parts of a bike give off mechanical energy? How?
Yes, all parts move to make the bike move.
You throw a ball at cans stacked over another. When you throw it once but does not knock the cans over. You try again with a faster throw, what would happen to the cans?
You put more mechanical energy in the throw to knock the cans down.