Vanya toasts a piece of bread in a toaster connected to a wall outlet. Which is the source of energy for the toaster?
Unit 7 HMH Review

Quiz
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Education
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4th Grade
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Medium
DANA WIGGINS
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15 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Heat Energy
Electrical Energy
Light Energy
Chemical Energy
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Cameron pulled his sisters in a wagon on a flat sidewalk. Which is the source of energy that moves the wagon?
Chemical Energy in Cameron's muscles
Potential energy from the ground below
Kinetic energy from the rolling wheels
Gravitational energy pulling the wagon
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A book falls on the floor. Which is the main form of energy that results when the book strikes the floor?
Heat Energy
Sound Energy
Kinetic Energy
Chemical Energy
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Raju cooks a pizza in a gas oven. Which form of energy cooks the pizza?
Chemical
Heat
Electrical
Light
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Solar energy is one type of alternative energy currently being investigated. Which one is a benefit of solar energy?
Solar energy is not renewable
Solar energy does not pollute the air
Solar energy is the most effective fossil fuel
Solar energy cannot be converted into other forms of energy
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A book on the floor was picked up and then dropped. How does the energy of the book compare to before and after it falls?
The book has the same potential energy before and after it falls
The book has more kinetic energy after it falls than it has before it is picked up
The book has more potential energy before it is picked up than it has after it falls
The book has less potential energy after it falls than it has before it is picked up
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
When you pluck a rubber band, it makes a sound. What can you do to make the sound softer?
Stretch the band so it is longer
Loosen the band so it is shorter
Stop moving the band when it begins moving
Stretch the band less to the side before letting go.
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