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Physics by Mind Map: Physics

1. Physics Rota

1.1. Planets

1.1.1. Names of Planets

1.1.1.1. Mercury

1.1.1.1.1. 350 Degrees

1.1.1.2. Venus

1.1.1.2.1. 460 Degrees

1.1.1.3. Earth

1.1.1.3.1. 7.2 Degrees

1.1.1.4. Mars

1.1.1.4.1. -23 Degrees

1.1.1.5. Jupiter

1.1.1.5.1. -153 Degrees

1.1.1.6. Saturn

1.1.1.6.1. -184 Degrees

1.1.1.7. Uranus

1.1.1.7.1. -210 Degrees

1.1.1.8. Neptune

1.1.1.8.1. -223 Degrees

1.1.1.9. Pluto (Dwarf Planet)

1.1.1.9.1. -228 Degrees

1.2. Seasons

1.2.1. Winter

1.2.1.1. In winter it is colder than summer as the sun is further down, so the suns rays are more spread out across the Earth's surface.

1.2.1.2. In the winter the days are short as the northan hemesphere is tilted away from the sun, so the north of the equator will not be in as much light.

1.2.2. Summer

1.2.2.1. In summer it is warmer than winter as the sun it higher up in the sky, so the suns rays shine straight down, making them more concentrated,

1.2.2.2. In the summer the days are long as the northan hemesphere is tilted towards the sun, so the north of the equator will be in more light.

1.3. The Moon

1.3.1. The moon reflects the sun's light.

1.3.2. The moon orbits the earth which orbits the sun.

1.3.3. It takes the moon 28 days to orbit the earth.

1.3.4. Phases of the Moon

2. Ordinary Physics

2.1. Energy Resources

2.1.1. Sources

2.1.1.1. Renewable

2.1.1.1.1. Solar Power

2.1.1.1.2. Geothermal

2.1.1.1.3. Biomass

2.1.1.1.4. Wave

2.1.1.1.5. Hydroelectric

2.1.1.2. Non Renewable

2.1.1.2.1. Fossil Fuels

2.1.1.2.2. Nuclear

2.2. Light & Sound

2.2.1. Shadows

2.2.2. Light

2.2.2.1. Speed: 300 million metres per second.

2.2.2.2. Light travels faster than sound, for example: you see lightening before you hear thunder.

2.2.3. Sound

2.2.3.1. Speed: 300 metres per second.

2.3. Forces

2.3.1. Balenced Forces

2.3.1.1. If the forces on an object are balenced, the object will remain stationary or at a constant speed.

2.3.2. Unbalenced Forces

2.3.2.1. If the forces on an object are unbalenced, the object will either slow down or speed up.

2.3.3. All forces come in pairs.

2.4. Electricity

2.4.1. History of Electricity

2.4.1.1. 1752: Franklin experimented with lightening and discovered electricity in sparks.

2.4.1.2. 1786:Gaivanidiscovered electricity flowing like a current when he experimented with metaland a dead frog.

2.4.1.3. 1831: Faraday discovered magnets make electricity.

2.4.1.4. 1859: Watt supplied electric machinery to the public.

2.4.1.5. 1878: Swan inventedthe lamp using the electricity Faraday provided.

2.4.2. Circuits

2.4.2.1. All electrical circuits have a cell, battery or power supply which provides an electrical current.

2.4.2.2. For a circuit to work it has to be complete.

2.4.2.3. Electric current is measured in amps, which are measured using an ammeter.

2.4.2.4. Voltage is measured in volts, which are measured using a voltmeter.