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Yr7 Science Revision
| Term | Definition |
|---|---|
| Newtons | It is equal to the force that would give a mass of one kilogram an acceleration of one meter per second per second |
| Balanced Forces | Two forces that act agents each other to form a stable non moving object |
| Gravity | The force that all planets have that changes according to the size of the planet, it helps keep us on Earth |
| Contact Forces | A force that activates when touching something |
| Friction | A force that slows momentum |
| Spring Balance | A tool that measures the weight of an object |
| Weight | Mass times gravity |
| Spring Tide | A tide just after a new or full moon, when there is the greatest difference between high and low water |
| Earth Rotation | The direction Earth spins/rotates |
| Probe | Orbit other planets |
| Telescope | Stays on Earth and orbits Earth |
| Bouyancy | The force that keeps boats afloat in water |
| Solar Eclipse | When the Moon is in between the Sun and the Earth |
| Luna Eclipse | When the Earth is in between the Sun and the Moon |
| Static Electricity | The electricity that is created by (eg. rubbing a balloon on your hair witch causes your hair to stick up) |
| Heliocentric Model | Sun in the center on the solar system |
| Geocentric Model | Earth in the center on the solar system |
| Planet Order | Mercury Venus Earth Mars Jupiter Saturn Uranus Neptune Pluto |
| Mitochondria | The two bean shaped objects in a cell |
| Cell Wall | The out side of a stranded plant cell |
| Microscope | It give you the ability to inspect things up close |