Category 2: Electricity, Sound, and Light

In which 3 of these circuits will the bulb be lit?

• A

• B

• C

• D

• E

A student made the circuit shown in the diagram. If the light bulb was taken out of the circuit, which item could replace in order to light the bulb?

• 
• 
• 
• 

Tags

NGSS.3-PS2-3

NGSS.4-PS3-2

Organize these options into the right categories

Groups:

(a) Conductors

,

(b) Insulators

• 
• 
• 
• 
• 
• 

Tags

NGSS.MS-PS1-3

A girl rubbed a plastic comb through her hair. She noticed that her hair began to move towards the comb as shown because of -

• static electricity

• magnetism

• electromagnets

• gravity

Tags

NGSS.MS-PS2-3

The comb has been rubbed with a piece of wool fabric and placed next to some scraps of paper.

Some paper moves toward the comb. The movement of the paper is caused by

• opposite charges

• mechanical energy

• similar charges

• magnetic attraction

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

In order for an electromagnet to be formed, an __________ current must pass through a coil of __________ wrapped around an ________ core.

• wire, iron, electric
• electric, wire, iron
• iron, electric, wire
• excited, hair, apple

Tags

NGSS.MS-PS2-3

Students in Mrs. Ward's class made this electromagnet.

Which TWO changes will most likely increase the strength of a magnetic field produced by an electromagnet?

• Reduce the number of turns in the coil.

• Switch the direction in which the battery is connected.

• Remove the iron nail.

• Add a larger battery.

• Increase the number of turns in the coil.

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

Bryan made the circuit shown here in his science class. When he closes the switch, describe the energy transformations that occur in the circuit, starting with the battery, when the light is on.

• Chemical to Electric to Radiant

• Chemical to Mechanical to Thermal

• Electrical to Chemical to Radiant

• Thermal to Chemical to Electrical

The model shows how different circuits transform energy.

Identify how the circuits transform energy by completing the chart below.

Groups:

(a) Chemical to Electrical to Mechanical

,

(b) Chemical to Electrical to Radiant

• Circuit Model b

• Circuit Model a

• Circuit Model d

• Circuit Model c

Tags

NGSS.MS-ETS1-1

Label the parts of the wave.

a

b

c

rarefaction

compression

wavelength

Tags

NGSS.MS-PS4-1