Joe Waymouth
Quiz by , created more than 1 year ago

GCSE Science Quiz on P4, created by Joe Waymouth on 31/05/2013.

85
0
0
Joe Waymouth
Created by Joe Waymouth over 10 years ago
Close

P4

Question 1 of 23

1

What type of matirial can become staticly charged?

Select one or more of the following:

  • An insulator

  • A non conducter

  • A conductor

  • A non insulator

  • An insulator or conductor

Explanation

Question 2 of 23

1

What is transferred from one object to another when one becomes static?

Select one of the following:

  • Protons

  • Neutrons

  • Electons

  • Protons, Neutrons and electrons

Explanation

Question 3 of 23

1

What charge are electrons?

Select one of the following:

  • Positive

  • Negitive

  • Neutral

Explanation

Question 4 of 23

1

How can you discharge static electricity?

Select one of the following:

  • Earthing it

  • Grounding it

  • Flooring it

Explanation

Question 5 of 23

1

Two objects with the same charge will...

Select one of the following:

  • repel each other

  • attract each other

Explanation

Question 6 of 23

1

The atoms or molecules that become charged are called...

Select one of the following:

  • ions

  • opposites

  • static

Explanation

Question 7 of 23

1

Why is a plane earthed when it is refuelled?

Select one of the following:

  • So the static electricity does not spark near the flammable liquid

  • So it doesn't blow away

  • So the static electricity cant shock anyone in the plane

Explanation

Question 8 of 23

1

What is resistance measured in?

Select one of the following:

  • ohms

  • ounces

  • volts

Explanation

Question 9 of 23

1

How do you work out resistance?

Select one of the following:

  • Voltage / Current

  • Current / Voltage

  • Current * Voltage

  • Current / Amps

Explanation

Question 10 of 23

1

What colour is the live wire?

Select one of the following:

  • Blue

  • Brown

  • Yellow and green

Explanation

Question 11 of 23

1

What colour is the neutral wire?

Select one of the following:

  • Blue

  • Brown

  • Yellow and green

Explanation

Question 12 of 23

1

What colour is the earth wire?

Select one of the following:

  • Blue

  • Brown

  • Yellow and green

Explanation

Question 13 of 23

1

Why do electrical devices have fuses?

Select one of the following:

  • So the device is protected from a power surge

  • So the device doesn't work too hard

  • So you can turn the device off easly

Explanation

Question 14 of 23

1

Why do metal devices have earth wires?

Select one of the following:

  • So that if there is an electrical fault and the outer casing becomes charged it will earth through the earth wire and not through someone touching it

  • To get power

  • To make the fuse work

Explanation

Question 15 of 23

1

What is the symbol for a double insulated device?

Select one of the following:

  • A square inside another square

  • A triangle inside another triangle

  • A circle inside another circle

  • A hexagon inside another hexagon

Explanation

Question 16 of 23

1

Ultrasound has a frequency of more than how many hertz?

Select one of the following:

  • 20000

  • 10000

  • 15000

Explanation

Question 17 of 23

1

which type of nuclear radiation is a wave?

Select one of the following:

  • Alpha

  • Beta

  • Gamma

Explanation

Question 18 of 23

1

An atom that has lost an electron has a ______ charge?

Select one of the following:

  • positive

  • neutral

  • negative

Explanation

Question 19 of 23

1

What is half life?

Select one of the following:

  • The time it takes for a radioactive source to decay

  • The time it takes for half a radioactive source to decay

  • Half the time a radioactive source takes to kill someone

Explanation

Question 20 of 23

1

What material will stop gamma radiation?

Select one of the following:

  • Paper

  • Aliminium

  • Lead

Explanation

Question 21 of 23

1

Which one of these is a way of using gamma in hospitals?

Select one of the following:

  • To sterilise objects

  • To remove a kidney stone

  • To scan an unborn baby

Explanation

Question 22 of 23

1

Splitting an atom is...

Select one of the following:

  • Fussion

  • Fission

  • Fession

Explanation

Question 23 of 23

1

How does radioactivity change over time?

Select one of the following:

  • It increases

  • It decreases

  • It stays the same

Explanation