All devices that use a plug and a socket like this are using what kind of energy?
A. Thermal
B. Light
C. Sound
D. Electrical
Electrical
A. Oven
B. Candle
C. Telephone
D. Hot plate
Telephone
Which of the following materials is used to cover electrical wires safely because it is an insulator?
A. Copper
B. Aluminum
C. Iron
D. Rubber
Rubber
Name two types of forces
Push, pull, gravity, friction, magnetism, etc.
These two forms of energy can come from a fire.
Light and thermal
People might use a lamp to help them see, but in many cases, the bulb gets quite warm. The two forms of energy being produced by the lamp are (light, thermal, mechanical, electrical)
Light and thermal energy
True or false: Thermal energy is used to make a pizza
True
Which of the following objects could be placed in the space between the wires to complete a circuit and make the bulb light up?
A. Wooden craft stick
B. Plastic bottle cap
C. Iron paper clip
D. Rubber pencil eraser
Iron Paper Clip
If a soccer ball is kicked, it will stop because it is touching the grass. What force makes it stop?
Friction
True or false: Plastic is NOT a good insulator of electrical energy.
False
This form of energy used when you ride a bicycle.
Mechanical energy
What type of energy is used when you charge your Chromebook?
Electrical
Name at least 3 insulators
Plastic, wood, rubber, glass, paper, cardboard, etc.
True or false: magnets can only pull. They cannot push.
False. They can do both.
A burning candle has these forms of energy present.
Light and thermal
Which of the following devices requires energy to produce light and sound energy?
A. Bicycle
B. Television
C. Air Condition
D. Drum
Television
Name at least 3 types of energy that are used when you watch television
(Light, Electrical, and sound.)
What has to happen in order for electricity to flow in a circuit?
A. It has several batteries
B. It must be closed
C. Must produce light
D. It has the right kind of insulators
It must be closed
A student is investigating how a toy car will roll on different surfaces like carpet, plastic, and cardboard. What type of force is the student testing?
Friction
What is another name for a closed circuit?
A. Fast Circuit
B. Complete Circuit
C. Open Circuit
D. Power Circuit
Complete circuit
What kind of energy do you produce when you rub your hands together?
Thermal
Name at least 4 types of energy that a cell phone uses
chemical, electrical, light, sound and thermal
A buzzer is connected to a battery with copper wires. It is also connected to a switch. The switch is open. Will the buzzer make sound?
No. The switch must be closed for energy to flow.
What is the force that pulls objects toward each other based on their mass?
Where do plants get their energy from?
The sun