Energy Transfer
Which of these is an example of energy transfer?
A. A tree growing in the forest
B. A book sitting on a shelf
C. A hand touching a warm mug and feeling heat
D. A cloud floating in the sky
what is C. A hand touching a warm mug and feeling heat
What is a circuit?
A) A type of battery
B) A wire that glows in the dark
C) A path that electricity flows through
D) A machine that makes sound
What is C. A path that electricity flows through
Which of the following is a renewable source of energy?
A) Coal
B) Oil
C) Wind
D) Natural Gas
What is C. Wind
The definition of Energy
A. Something that grows in nature
B. The ability to do work, perform motion, or create change
C. Tool used to measure temperature
D. A material that stops electricity
B. What is the ability to do work, perform motion, or create change
Energy that makes things warm or hot, like the sun or a heater.
A. Mechanical Energy
B. Heat Energy
C. Electrical
D. Chemical Energy
B. What is Heat Energy
A flashlight is turned on during a camping trip.
Q: What type of energy is in the battery, and what does it become?
A. Motion to light
B. Electrical to light
C. Electrical to sound
D. Mechanical to sound
What is B. Electrical to light
What happens if a circuit is open (not connected)?
A) The light turns on
B) The electricity keeps flowing
C) Nothing happens
D) The light turns off
What is D. the light turns off
Which source of energy uses moving water to make electricity?
A) Geothermal
B) Hydroelectricity
C) Solar
D) Nuclear
What is B. Hydroelectricity
What does it mean to be renewable resource?
A. A resource that can never be used again
B. A resource that takes millions of years to form
C. A resource that can be replaced naturally in a short time
D. A resource made only by humans
C. What is a resource that can be replaced naturally in a short time
This type of energy is made when something vibrates and you can hear it.
A. Mechanical Energy
B. Heat Energy
C. Sound Energy
D. Chemical Energy
C. What is Sound Energy
A wind turbine spins on a windy day and creates electricity.
Q: What energy transformation is happening?
A. Mechanical Energy to Electrical Energy
B. Mechanical Energy to Light energy
C. Light energy to Electrical Energy
D. Heat energy to Electrical Energy
What is A. mechanical energy to electrical energy
What type of energy transfer happens in a circuit with a battery and a buzzer?
A) Light energy → Sound energy
B) Chemical energy → Sound energy
C) Electrical energy → Light energy
D) Motion energy → Heat energy
What is B. Chemical energy → Sound energy
What is one advantage and one disadvantage of using solar energy?
A) It’s cheap to make and works in all weather.
B) It’s renewable and doesn’t cause pollution, but it doesn’t work well on cloudy days.
C) It causes pollution but works only at night.
D) It’s nonrenewable and easy to use, but it's hard to find.
What is B. It’s renewable and doesn’t cause pollution, but it doesn’t work well on cloudy days.
What does is mean when a resource is conserved?
A. It is used quickly and carelessly
B. It is thrown away after one use
C. It is protected from harm and used wisely
D. It is turned into electricity
What is C.it's protected from harm and used wisely
Energy that comes from tiny particles called electrons moving in wires.
A. Chemical Energy
B. Electrical Energy
C. Heat Energy
D. Mechanical Energy
B. What is Electrical Energy
You turn a crank to make music play from a music box.
Q: What type of energy are you using to turn the crank, and what type of energy comes out of the music box?
A) Electrical energy → Light energy
B) Mechanical energy → Sound energy
C) Chemical energy → Heat energy
D) Light energy → Motion energy
What is B. Mechanical energy → Sound energy
What happens when you add more batteries to a simple circuit with a light bulb?
A) The light bulb gets dimmer
B) The light bulb stays the same brightness
C) The light bulb gets brighter because there is more power
D) The circuit stops working
What is C. The light bulb gets brighter because there is more power
Which list shows one renewable and one nonrenewable resource?
A) Sun and coal
B) Oil and natural gas
C) Wind and sunlight
D) Coal and oil
What is A. Sun and coal
What is Energy Transfer?
A. When energy is created from nothing
B. When energy disappears completely
C. When energy moves from one object to another
D. When energy changes color
What is C. When energy moves from from one object to another
Energy stored in food and batteries that can be used later.
A. Chemical Energy
B. Electrical Energy
C. Heat Energy
D. Mechanical Energy
A. What is Chemical Energy
You turn on a TV.
Q: What energy goes into the TV, and what types of energy come out?
A) Electrical energy → Light energy and Sound energy
B) Mechanical energy → Heat energy and Motion energy
C) Chemical energy → Electrical energy and Sound energy
D) Light energy → Electrical energy and Heat energy
What is A. Electrical energy → Light energy and Sound energy
Which circuit would make sound energy only?
A) A battery, wires, and a light bulb
B) A battery, wires, and a buzzer
C) A battery, wires, and a fan
D) A battery, wires, and a heater
What is B. A battery, wires, and a buzzer
What is one reason hydropower is helpful and one reason it might be a problem?
A) It causes air pollution but is easy to store.
B) It uses sunlight to make energy, but it's very expensive.
C) It makes clean energy from moving water, but dams can harm animals and rivers.
D) It uses oil to make electricity, but it runs out quickly.
What is C. It makes clean energy from moving water, but dams can harm animals and rivers.
What is a nonrenewable resource?
A. Cannot be reproduced or takes a long time to be made.
B. A resource that can be replaced quickly and naturally
C. A resource that never runs out
D. A resource made from water or air
What is A. Cannot be reproduced or takes a long time to be made.
This energy comes from things that are moving or things that can move, like a rolling ball or a swinging swing.
A. Chemical Energy
B. Mechanical Energy
C. Heat Energy
D. Sound Energy
B. What is Mechanical Energy