Science CBA Study Guide TEKS 4.6ABCD

this circuit is .....?

• open
• parallel
• closed
• The cutest little circuit evah!

When all parts of the circuit are connected it is a ______ circuit. 

• open
• closed

When you flip a light switch on and off you are closing and opening a circuit.

• true
• false

An incomplete circuit is shown.
To complete the circuit, a wire should be placed from —

• Point D to Point C
• Point B to Point C
• Point A to Point D
• Point B to Point D

What material would be safest to use as an insulator to cover electrical wires?

• rubber
• tin
• aluminum
• water

Will the light bulb in this circuit light and why/why not?

• yes, because it has two batteries
• no, because the switch is open
• yes, because it is in a circuit
• no, because the bulb is burned out

Which of these objects is an insulator?

• Copper Wire
• Paper Clip
• Steel Pole
• Rubber Gloves

Many common devices use this form of energy.

All the devices that use a plug and socket like this are using what kind of energy?

• Thermal

• Light

• Sound

• Electrical

Which of the following uses electrical energy to produce light and sound?

• Lamp

• Candle

• Flashlight

• Television

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 thermal energy

• light and mechanical energy

• thermal and mechanical energy

• mechanical and electrical energy