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Yr7 Science Revision

TermDefinition
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
Created by: Jmcclymont
 

 



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