Alonzo builds a simple circuit. Two bulbs are wired in a series, and a switch is part of the circuit. If the switch is open the bulbs will not light. What does this show?
What is energy is not able to flow?
100
Which is designed to change electrical energy into heat energy; A pole vaulter, computer, iron, or a rolling ball?
What is an iron?
100
If students were to make an electromagnet by wrapping a wire around an iron nail and attaching it to a battery, what would be attracted to the electromagnet?
What is metal?
100
A girl holds a warm mug of cocoa by wrapping both of her hands around the mug. The warmth she feels on her hands is caused by a transfer of what kind of energy.
What is Thermal/ heat?
100
What is the source of electrical power for an electric mixer you use for cookies?
What is wall outlet?
200
On an electric can opener what would happen if the flow of electricity would stop.
What is it would stop working?
200
On an electric can opener, which energy provides power that is necessary to make it work?
What is electrical energy?
200
This part of an electric can opener uses magnetic force.
What is the disk / magnet that holds the lid in place?
200
Harriet holds her hand close to a light bulb that is turned on. Why is the air close to the bulb warm?
What is the light bulb is giving off both light and heat energy?
200
If the flow of electricity was stopped what would happen to an electric mixer?
What is it would stop working?
300
Alonzo builds a simple circuit with two bulbs wired in a series. when the switch is closed the bulbs light up, what does this show?
What is energy is flowing trough this part of the system?
300
In an mixer what type of energy is transformed into mechanical force by this machine?
What is electrical energy/ force?
300
What kind of magnet sticks to your fridge?
What is a permanent magnet?
300
Joseph has a small greenhouse which has electrical lighting. At night, Joseph turns the lights on in the greenhouse. How does this affect the amount of energy his plants receive?
What is they receive energy both day and night?
300
Mrs. Grey leaves a mug of hot tea on her desk while she answers the phone. After the call, she tastes the tea and it has cooled. She puts the mug into the microwave and turns it on for 30 seconds. What happens to the temperature of the tea after it is put into the microwave?
What is the tea's temperature increases (it gets hotter)?
400
In a series circuit, if bulb A is removed bulb B won't light. What does this show?
What is energy must go through each part of the system to make both bulbs light?
400
When the sun shines on a solar panel, what type of energy is made?
What is electrical energy?
400
On an electric can opener, the disk relies on this force to hold the lid in place.
What is magnetic force?
400
What type of energy is used to cook food in an oven?
What is heat energy?
400
An important part of a sewing machine is a wedge that moves up and down forcing thread into a piece of fabric/ What force (energy) provides power for this machine?
What is electrical force/ energy?
500
George plugs a blender into the electrical outlet. He adds milk, bananas, and ice cream to the blender, then turns on the blender. In this system where does the energy flow?
What is from the outlet to the blender?
500
What kind of energy creates electricity when water moves through Niagara Falls?
What is mechanical/ movement energy?
500
What kind of objects do magnets pick up?
What is metal objects?
500
On a rolar coaster what is happening when the ride is climbing a hill?
What is potential energy is increasing.
500
A student built a circuit that could light up a bulb OR run a motor. This circuit uses a special switch. How does this switch work.
What is when the switch is flipped one way it will complete one circuit and run the motor, while if it is flipped the other way it will complete the other circuit and light the bulb?