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Unit 5 Matter and forces
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Matter can change state . It can be ........................., ................. and .............
gas, liquid, solid
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What it is density ?
The relationship between the mass and volume.
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True or false.The force of gravity is non-contact force
true
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True or false.Forces can make objects change shape.
true
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........................... is a force between objects rubbing or moving in different speeds.
friction
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........................... describes if a material can be dissolved
solubility
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True or false.Buoyancy is a contact force.
true
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.......................... describes if its difficult to scratch a material
resistance
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true or false.Thermal conductors don´t transfer heat easily.
false
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True or false.Mass is the relationship between mass and volume
false
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True or false.Forces also produce changes in position.
true
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.............................. depends on the light a amterial reflects and absorbs.
colour
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True or false.Non contact forces act from a distance.
True
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............................... describes if a material transfers heat.
Thermal Conductivity
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.................................. is a hard material which is not resistant
plastic
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True or false.Salt is an example of a soluble material
true
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............................ is the amount of matter something contains
mass
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............................... is a force which acts on an object inside a liquid.
Buoyancy.
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................................. forces are produced when one object comes in direct contact with another object.
Contact
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................................ materials go through a chemical transformation.
manufactured
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Friction is a non cotact force.
false
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...................................... is an example of a soluble material
salt
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Choose the correct word. Natural / Manufactured materials come from plants, animals or minerals.
natural
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