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Worksheets4º. U. 5. Matter and energy
Total questions: 25
Worksheet time: 16mins
It refers to how difficult a material is to scratch (rayar) and change shape.
Colour
Hardness
Resistance
Elasticity
Wind, sunlight and water are renewable sources of energy.
True
False
It's the relationship between the mass and volume of an object.
(a)
It is a substance made up of two or more pure substances:
(a)
They can come from animals, plants or minerals.
Natural
Manufactured
Conductors
Insulators
Non-renewable energy sources are unlimited and will never run out.
True
False
Some materials return to their original shape after you stretch them and others do not.
Colour
Hardness
Resistance
Elasticity
Materials that DON'T allow electricity to pass through them are called thermal (a)
It refers to how difficult a material is to break.
Colour
Hardness
Resistance
Elasticity
When water is cooled, it becomes ice (solid).
Solidification
Melting
Evaporation
Condensation
Distillation is used to separate a mixture which consist of two or more liquids.
True
False
It's the amount of space that an object occupies
Mass
Volume
Density
Types of mixtures (click on all of them)
Homogeneous
Heterogeneous
Conductors
Insulators
When ice is heated, it becomes water (liquid).
Solidification
Melting
Evaporation
Condensation
Decantation is used to separate solids from liquids or from gases.
True
False
When water vapour is cooled, it becomes water (liquid).
Solidification
Melting
Evaporation
Condensation
Materials that allow electricity to pass through them are called thermal...
(a)
___________ materials come directly from nature.
Natural
Manufactured
Conductors
Insulators
A substance that consists of only one type of matter is called... (two words, singular)
(a)
When light passes through one substance into another, it changes speed and direction. This is called...
(a)
It's the amount of matter something contains.
Mass
Volume
Density
It is used to separate solids dissolved in liquids:
(a)
When water is heated, it becomes water vapour (gas).
Solidification
Melting
Evaporation
Condensation
They happen when matter changes state or shape.
Physical changes
Chemical changes
It's the fastest form of energy
electrical
thermal
light
sound
