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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 |