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Worksheets3º SCIENCE. U. 5
Total questions: 25
Worksheet time: 17mins
They DON'T have DEFINITE shape or volume
Solids
Liquids
Gases
Materials
Energy sources that are limited are...
Renewable
Non-renewable
They have a DEFINITE shape and volume.
Solids
Liquids
Gases
Matters
Oxidation is when matter reacts with the ________ and the __________ (click on TWO of them) and change into a different matter.
water
air
trees
The Sun
Choose the PHYSICAL CHANGES we have studied:
Change of state
Change of shape
Combustion
Oxidation
Anything we can see, touch, taste or smell is...
(a)
Combustion and oxidation are (a) changes
They have a definite volume but they don't have a definite shape.
Solids
Liquids
Gases
Matterials
When matter reacts with other elements and changes into different matter, it's called...
physical change
chemical change
It is something that contains two or more different types of matter:
(a)
When you can't see the different materials in a mixture.
Homogeneous mixture
Heterogeneous mixture
It's the way to separate a mixture using to separate solids from liquids.
Sieving
Filtration
Evaporation
Condensation
When matter changes its state or shape, it's a...
chemical change
physical change
When you burn something and it changes into a new matter, it is called...
(a)
It's the way to separate a mixture using to separate solids dissolved in a liquid.
Sieving
Filtration
Evaporation
Condensation
Energy sources that are unlimited are...
Renewable
Non-renewable
The (a) of a material depends on how much THERMAL ENERGY it has.
If the thermal energy in a liquid increases it becomes a gas.
Evaporation
Filtration
Melting
Freezing
If the thermal energy in a liquid decreases, it becomes a solid.
Evaporation
Filtration
Melting
Freezing = solidification
It's the way to separate a mixture using to separate solids of different sizes.
Sieving
Filtration
Evaporation
Condensation
Something that can be found in three states: solid, liquid and gas.
mass
volume
density
matter
Materials that DON'T allow electricity to pass through them are called electrical
(a)
If the thermal energy in a solid increases, it becomes a liquid.
Evaporation
Filtration
Melting
Freezing = solidification
Materials that allow electricity to pass through them are called electrical
(a)
It's an example of an homogeneous mixture:
Green salad
Smoothie
Milk with cereals
