5.4 Electricity and Circuits

Front

Which switches should the student close to produce sound energy only?

Back

Switch 1 and 3

Front

What would most likely happen if the student closed Switch 1, Switch 2, and Switch 4?

Back

Both of the bulbs would light up, but the bell would not ring.

Front

Observe the diagram. How many bulbs would turn on if a student closed switch C and switch D?

Back

0 bulbs

Front

Observe the circuit shown in the picture. Which procedure can a student use to turn on the green and red lights only?

Back

The student can close switch B and switch C, but leave switch A open.

Front

A student designed the circuit shown in the picture. The bell is on, and both bulbs are lit. What could the student do to turn the bell off, but keep the bulbs lit?

Back

Remove Wire 2 only

Front

Which circuits will allow the bulb to light?

Back

B, D, and E

Front

What kind of circuit is this?

Back

Closed Circuit

Front

Which answer choice has one that does not belong? Options: copper penny, steel nail, tin can, plastic cup, cloth towel, styrofoam cup, brass cup, rubber eraser, silver cross, iron rod, aluminum foil, gold ring

Back

brass cup, rubber eraser, silver cross

Front

Why is electrical wiring usually made from copper?

Back

Because copper conducts electricity

Front

Why is a bulb brighter when it is powered by two batteries rather than one?

Back

Because the flow of electricity in the circuit is greater