What would happen to the light if you removed the battery from a circuit?
The circuit would not work, the light would turn off
100
Electricity will flow in an electric circuit only if the circuit -
A has several batteries
B makes a complete path
C produces light energy
D has the right kind of insulators
B. makes a complete path
200
What type of energy can warm the water in a lake?
solar energy
200
Which of the following uses electrical energy to produce light and sound?
a. lamp
b. candle
c. flashlight
d. tv
d. tv
200
Name one reason a circuit would not light a light bulb
Because the circuit is open
There is not a battery
200
Name 1 type of metal that is a good conductor of electricity
copper or aluminum
200
Which of the following materials is used to cover electrical wires for safety because it is an insulator of electric energy?
A. copper
B. aluminum
C. iron
D. rubber
D. rubber
300
The sun provides which 2 forms of energy?
heat and light
300
Students in a science class were lighting bulbs by attaching them to batteries with wires. What form of energy were they exploring?
Electrical Energy
300
What would happen if the switch was removed from a circuit and the wires attached to the switch were connected?
The light would still be on
300
If you put a wooden spoon in the place of the switch, would the light bulb still turn on?
No, wood is not a good conductor of electricity
300
What object could be placed in an open space between the wires to complete the circuit?
A. penny
B. pencil
C. eraser
A. penny (a penny is made out of copper)
400
Give one example of heat energy
answers will vary
400
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 and heat
400
Name 1 conductor
answers will vary
400
Which safety item would be important to use when working with electricity to protect and insulate a student from receiving an electrical shock?
A. safety googles
B. heat resistant gloves
C. Plastic apron
C. Plastic apron
400
The flow of electricity can generate:
A. heat and light
B. a magnetic field
C. vibration
B. a magnetic field
500
Water flowing downhill is demonstrating what form of energy?
mechanical energy
500
A ceiling fan is what type of energy
mechanical energy
500
Give me one example of an insulator
Answers will vary
500
Which of these would be a good insulator of electricity?
A. steel
B. rubber
C. copper
rubber
500
What does the battery do in the circuit?
Produces energy for the light bulb. Pushes electrons through the circuit.