12 Electricity

True or false - electricity flows through a closed circuit?

• False

• True

True or false - keeping batteries in the refrigerator makes them last longer?

• true

• false

True or false - your brain uses the same electricity as a ten watt light bulb?

• true

• false

Tags

NGSS.HS-PS2-5

True or false - hot metal is the best conductor of electricity?

• False

• True

Objects that let electricity flow are called ____________?

• conductors

• insulators

• magnets

• electives

Objects that do not let electricity flow are called______________?

• Electricity boosters

• Insulators

• Power enhancers

• Conductors

The chemicals inside batteries?

• Wood

• Water

• Plastic

• Electrolytes

Tags

NGSS.MS-PS1-5

In electricity, this is what AC stands for?

• American Currency

• Automatic Control

• Alternating Current

• Always Cold

Tags

NGSS.HS-PS2-5

In electricity, this is what DC stands for?

• Dynamic Charge

• Direct Current

• Digital Circuit

• Distant Current

Tags

NGSS.HS-PS2-5

How to make an electromagnet stronger?

• Use a non-magnetic material

• Increase the number of coils

• Decrease the number of coils

• Decrease the current

Tags

NGSS.HS-PS2-5