The ability to cause change is called ___________. A. mechanical energy B. sound C. electricity D. energy
D. energy
100
Volume is ________________ a sound is. A. how loud or soft B. high or low C. what type of music D. how exciting
A. how loud or soft
100
Becky put two spoons into her hot soup, one plastic and one metal. Which spoon will feel hotter?
metal spoon
200
What kind of energy flows from a warmer object to a cooler object? A. heat B. sound C. electrical D. mechanical
A. heat
200
Pitch is __________________ a sound is. A. how soft or loud B. how high or low C. the type of music D. how exciting
B. how high or low
200
If I stand on top of a hill and then jump onto my sled and move down the hill, what type of energy am I displaying?
mechanical energy
300
What kind of energy flows through wires? A. mechanical energy B. sound C. electricity D. heat
C. electricity
300
Thick strings would cause sound to be high or low?
low
300
1. First explain how energy flows when you tip over a cup that contains water. 2. What change is caused by this flow of energy?
1. energy flows from your hand to the cup to the water. 2. The change that is caused is the cup to change position and the water to spill.
400
What is stored energy plus the energy of motion? A. mechanical energy B. sound C. electricity D. heat
A. mechanical energy
400
What is one way to produce sound energy? A. listen to a dog barking B. hit a drum with a drumstick C. bake cookies on a metal cookie sheet D. turn on a switch to make electricity flow
B. hit a drum with a drumstick
400
On a cold day, what is the best way to warm your hands? A. rub them together really fast B. press them against your coat C. hold them high, closer to the sun D. press them against any piece of metal
A. rub them together really fast
500
Vibrations traveling through the air produce __________. A. light energy B. heat energy C. sound energy D. electrical energy
C. sound energy
500
Sound energy consists of two categories that describe the vibrations. A. vibrations and pitch B. volume and pitch C. sound and vibrations D. volume and style
B. volume and pitch
500
Which object would heat flow through most easily? A. a cloth shirt B. a metal pot C. a plastic spoon D. a rubber eraser