Physical vs Chemical Changes | Electricity and Magnetism

Which of the following is NOT a characteristic of a physical change?

• Change in color

• Formation of a new substance

• Change in state

• Reversibility

Which of the following is an example of a physical change?

• Burning wood

• Rusting iron

• Melting ice

• Baking a cake

What causes the physical changes in the state of water?

• Chemical reactions

• Changes in pressure

• Temperature changes

• Changes in volume

Tags

NGSS.MS-PS1-4

Which of the following is NOT a possible observable evidence of a chemical change?

• Color change

• Gas production

• Temperature change

• Change in shape

Tags

NGSS.MS-PS1-2

What is a complete, simple electric circuit composed of?

• Battery only

• Wires only

• Battery and a switch

• Battery, wires, and a light bulb

Which of the following materials is typically an insulator of electricity?

• Metal

• Plastic

• Copper

• Silver

Which type of electricity is harnessed by humans?

• Static electricity

• Lightning

• Solar energy

• Magnetic energy

What is the primary difference between an electromagnet and a regular magnet?

• Size

• Shape

• Function

• Material composition

What is the purpose of an electromagnet?

• To produce permanent magnetism

• To convert mechanical energy into electrical energy

• To create a temporary magnetic field

• To generate static electricity

Which of the following materials is magnetic?

• Wood

• Aluminum

• Iron

• Plastic

Tags

NGSS.MS-PS2-3