this is with host... your 100 200 300 400 500 a- static electricity b- flowing electricity c-...

Post on 05-Jan-2016

216 Views

Category:

Documents

1 Downloads

Preview:

Click to see full reader

TRANSCRIPT

THIS

IS

With

Host...

Your

100 100 100 100 100

200 200 200 200 200

300 300 300 300 300

400 400 400 400 400

500 500 500 500 500

A- Static

Electricity

B-Flowing

Electricity

C- Magnetic

Fields

D-Transform

It!

E- Teacher’s

Choice

What causes static electricity?

A- when positive and negative charges no longer balance

B- gaining electrons

C- losing electrons

D- when positive and negative charges balance

A 100

A 100

What causes static electricity?

A- when positive and negative charges no longer balance

A ________ object repels a positively charged object.

A- negatively charged

B- positively charged

C- neutrally charged

A 200

A 200

A ________ object repeals a positively charged object.

B- positively charged

What type of particles will gather near the bottom of a cloud before energy is released as lightning?

A- neutral particles

B- positive and negative particles

C- negative particles

D- positive particles

A 300

A 300

What type of particles will gather near the bottom of a cloud before energy is released as lightning?

C- negative particles

A 400

Two objects that have the same charge ________ each other.

A- repel

B- attract

C- stick to

D- do nothing to

A 400

Two objects that have the same charge ________ each other.

A- repel

What is the space around an electrically charged object called?

A- magnetic field

B- electric field

C- electric force

D- electric charge

A 500

A 500

What is the space around an electrically charged object called?

B- electric field

Which of these would be a good conductor for a closed circuit?

A- plastic

B- rubber

C- copper

D- wood

B 100

B 100

Which of these would be a good conductor for a closed circuit?

C- copper

A material that conducts electric current poorly is called..

A- an insulator

B- a circuit

C- a charge

D- a conductor

B 200

B 200

A material that conducts electric current poorly is called..

A- an insulator

What would happen to the other light bulbs in the circuit if one light

bulb burns out?

A – The others will remain on.

B- The others will go out.B 300

B 300

What would happen to the other light bulbs in the circuit if one light

bulb burns out?

B- The others will go out.

Do new homes use electricity that is arranged in a series or parallel circuit?

A- Series circuits

B- Both series and parallel circuits.

C- Parallel circuits

B 400

B 400

Do new homes use electricity that is arranged in a series or parallel circuit?

C- Parallel circuits

A(n) ________________ will allow electric charges to flow without any

interruptions.

A- open circuit

B- resistance

C- electric field

D- closed circuitB 500

B 500

A ________________ will allow electric charges to flow without any

interruptions.

D- closed circuit

Where is a magnetic field the strongest?

A- at the south-seeking pole

B- at the north-seeking pole

C- in the middle

D- at both poles

C 100

C 100

Where is a magnetic field the strongest?

D- at both poles

Why does a compass needle point in a north-south direction?

A- The needle is lightweight.

B- The needle is pulled in the middle by Earth’s equator.

C- The needle reacts to Earth’s magnetic poles.

C 200

C 200

Why does a compass needle point in a north-south direction?

C- The needle reacts to Earth’s magnetic poles.

C 300

What did Michael Faraday do when he discovered that changing a magnetic field

created an electric current in a wire?

A- He shared his invention with other scientists.

B- He told no one of his investigation.

C- He did not think he had discovered anything.

C 300

What did Michael Faraday do when he discovered that changing a magnetic field

created an electric current in a wire?

A- He shared his invention with other scientists.

What does this show?

A- magnets attracting

B- magnets repelling

C- electric field C 400

C 400

What does this show?

B- magnets repelling

C 500

The _____________ are caused by charged particles being attracted to the

strongest part of Earth’s magnetic poles.

A- North Pole

B- Northern Lights

C- Northern Particles

D- Northern Auras

C 500

The _____________ are caused by charged particles being attracted to the

strongest part of Earth’s magnetic poles.

B- Northern Lights

In a doorbell, electromagnets help convert _________ to magnetic energy to mechanical energy.

A- mechanical energy

B- static electricity

C- electric energy

D 100

D 100

In a doorbell, electromagnets help convert _________ to magnetic energy to mechanical energy.

C- electric energy

D 200

How can the strength of an electromagnet be increased?

A- by using less current

B- by using a smaller magnetic core

C- by using a smaller magnet

D- by using more turns in the metal coil

D 200

How can the strength of an electromagnet be increased?

D- by using more turns in the metal coil

D 300

What is produced when a coiled wire is spun around a magnet?

A- magnetic energy

B- mechanical energy

C- electrical energy

D- geothermal energy

D 300

What is produced when a coiled wire is spun around a magnet?

C- electrical energy

_______________ are often used in industry to lift heavy objects.

A- Magnets

B- Electromagnets

C- Electric motors

D- Permanent magnets

D 400

D 400

_______________ are often used in industry to lift heavy objects.

B- Electromagnets

A generator uses magnets and wires to turn mechanical energy to

_____________.

A- static electricity

B- electrical energy

C- energy of motion

D- hydroelectric power

D 500

D 500

A generator uses magnets and wires to turn mechanical energy to

_____________.

B- electrical energy

What is a charge in motion?

A- parallel circuit

B- electric current

C- magnetism

D- static electricity

E 100

E 100

What is a charge in motion?

B- electric current

One advantage of a(n) __________

is that its magnetic field can be turned off.

A- electric current

B- permanent magnet

C- electromagnet

D- generatorE 200

E 200

One advantage of a(n) __________

is that its magnetic field can be turned off.

C- electromagnet

E 300

Which of the following is NOT used to power generators?

A- wind

B- moving water

C- hot rocks deep below earth’s surface

D- static electricity

E 300

Which of the following is NOT used to power generators?

D- static electricity

Lights are wired as shown. What happens to the circuit if one bulb

burns out?

A- Half of the bulbs light.

B- All bulbs light.

C- All but one light.E 400

E 400

Lights are wired as shown. What happens to the circuit if one bulb

burns out?

C- All but one light.

If you break a magnet in two pieces, what might happen?

A- The magnetic field disappears.

B- Each piece has only one pole.

C- Each piece has a north and south pole.

D- One magnet has two north poles and the other has two south poles.

E 500

E 500

If you break a magnet in two pieces, what might happen?

C- Each piece has a north and south pole.

top related