Chapter 8 Electricity & Magnetism Test

1.) Two hidden properties of matter are _______________ and ___________________.

• electricity and matter
• electricity and magnetism
• magnetism and matter
• smell and taste

2.) A tiny imbalance between positive and negative charge on an object is known as __________________________________________.

• electric charge
• static electricity
• electric current

3.) Magnets exert forces on each other, even when they are some distance apart. Magnets can __________ or ___________ each other.

• attract or repel
• attract or pull towards
• repel or push away

4.) The two magnetic poles are ____________ and __________(You must choose BOTH correct answers to get full credit).

• North
• South
• East
• West

5.) Electric charges also have two types. They are known as ________________ and ______________(You must choose BOTH correct answers to get full credit).

• North
• South
• Positive
• Negative

6.) Electric current is measured in _______________.

• watts or volts
• amperes or amps
• volts or horsepower

7.) If a material is ___________, it has the ability to exert forces on other __________ materials. (The word you choose fits in BOTH blanks)

• magnetic
• hard
• soft
• electric

8.) When batteries are stacked up, they can make higher voltages.

• True
• False

9.) Materials with a HIGH electrical resistance, such as plastic and rubber, are good _________________.

• Ohm's
• Conductors
• Electric Circuits
• Insulators

10.) Materials with LOW electrical resistance, such as copper and aluminum, are good _____________

• Ohm's
• Conductors
• Electric Circuits
• Insulators