# physics revision

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• Created by: rylan
• Created on: 13-12-17 21:28
What is the Solar System?
Our solar system is the name given to the Sun and the planets that orbit
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Give the names of all of the Planets from Mercury to Pluto.
The eight planets in order are Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus and Neptune. Mercury is closest to the Sun and Neptune is furthest away.
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Does the Moon have Less Gravity than the Earth?
The Moon is the Earth's natural satellite.
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What is the Circuit Symbol for a Cell?
Circuit Symbols for Cell Battery Direct Current Alternating Current
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What is a Watt a unit of?
Power is an amount of energy supplied in a certain time. Power is measured in watts. Energy is measured in joules.
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What type of meter measures Current?
Current is the "rate of flow of coulombs" in an electric circuit. A coulomb is a unit of charge, so an electric current is a flow of charge. Charge is given the symbol Q.
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Describe how a Radiator can Heat a Room in a House.
Heat - Convection
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Give one other Advantage of Double Glazing.
Double glazing involves two layers of glass with a small air gap between them.
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What does Constant Velocity mean?
How to Calculate Speed or Velocity
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What unit is Acceleration measured in?
What unit is Acceleration measured in?
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What unit is Force measured in?
A force is a push or a pull. It is measured in Newtons
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What is Mass?
Mass is an amount of substance. It is measured in kilograms.
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What is Gravity?
Gravity is a force of attraction between masses. Gravity is a property of mass, the bigger the mass, the bigger the gravity.
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What are Magnets and Magnetic Fields?
A magnet has two poles, called North and South
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Describe how an Electric Bell works?
When the switch is pushed closed the circuit is completed and current flows through the electromagnetic coil. 1. The iron striker is attracted to the electromagnet and strikes the bell. How an Electric Bell Works 2. As the striker moves towards th
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How does a Circuit Breaker Work?
The circuit breaker acts as a safety device in the same way as a fuse. Circuit breakers that are used at the distribution board in houses are called MCBs?
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What are the Three Types of Radioactivity?
There are three types of radioactivity, called alpha, beta and gamma.
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## Other cards in this set

### Card 2

#### Front

Give the names of all of the Planets from Mercury to Pluto.

#### Back

The eight planets in order are Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus and Neptune. Mercury is closest to the Sun and Neptune is furthest away.

### Card 3

#### Front

Does the Moon have Less Gravity than the Earth?

### Card 4

#### Front

What is the Circuit Symbol for a Cell?

### Card 5

#### Front

What is a Watt a unit of?