5993816
| Question | Answer |
| Force | a push, pull or twist |
| Acceleration | the rate at which an object changes its velocity |
| Mass | is the amount of matter in an object |
| Lightning | the release of static charge in the sky |
| Weight | the force with which an object is attracted to Earth and is equal to the product of the object's mass and the acceleration due to gravity |
| Spring Balance | an instrument used to measure weight or force by how far a spring moves |
| Domain | a region in a ferromagnetic material (iron, nickel and cobalt) that alights with a magnetic field |
| Satellite | a celestial body (like a moon) or artifact object that orbits a planet |
| Field | an area that can exert a force on an object |
| Contact Force | a force required to be in direct contact with an object to cause a push, pull or twist |
| Non-Contact Force | a force applied to an object by another body that s not in direct contact with it |
| Electrostatic | relating to stationary electric charges or fields |
| Magnet | produces a magnetic field which attracts metallic objects composed of iron, cobalt or nickel |
| Compass | an instrument consisting of a freely rotating magnetised needle that indicates magnetic north |
| Newton | the unit for force |
| Friction | a contact force that opposes motion and produces heat |
| Electromagnet | a type of magnet created by electricity |
| Gravity | a force of attraction that moves bodies towards the centre o a celestial body, such as the Earth or the Moon |
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