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WorksheetsG3- Cambridge Science Unit 3 Review (Materials)
Total questions: 30
Worksheet time: 31mins
Everything around us is called ______?
metal
matter
object
Matter is made of tiny particles. The way the particles are arrange can tell you what form of matter it is. What form of matter is shown in the picture?
solid
liquid
gas
Solid particles vibrate or shake in place while liquid particles _________ past each other.
cannot move
can go anywhere
can slide
Matter could be pure or a mixture. A ________ is a pure type of solid, liquid or gas matter.
material
substance
Oxygen is a pure type of ____ substance.
solid
liquid
gas
A matter that is not pure is called a mixture. Which of the following is a mixture?
salt
pure water
saltwater
A matter that is not pure is a mixture. Materials are mostly mixtures. What material is this object made of?
metal
plastic
glass
Which object is made of metal?
Most materials are mixtures of different ____________.
substances
gases
All matter is made up of particles.
True
False
Only gas particles have spaces between them.
True
False
In solids, the particles are packed tightly together in a regular pattern and are in a fixed position.
True
False
These are solid particles.
True
False
This is a property of a solid.
can keep its shape
can flow when poured
can be squeezed easily
Powders are solids that are made up of tiny grains which can be poured like liquid. Which is an example of a powder?
Powders like flour behave like liquids because __________.
air between grains allows them to flow
their particles can slide
they are liquids
What change of state is shown in this picture?
from solid to liquid
from liquid to solid
What type of change is shown when butter melts?
physical
chemical
What happens to the particles of the ice cream as they melt?
They will move slower and closer.
They will move faster and farther.
Solidifying/Freezing is when a substance or material changes from a _________.
liquid to gas
liquid to solid
solid to liquid
John wants to see how the water in a waterfall turns to icicles. He spent a week watching a nearby waterfall show this change. What type of scientific enquiry did he do?
research
observation over time
fair test
John wants to measure the temperature. Which equipment should he use?
stopwatch
stopwatch
thermometer
thermometer
measuring cylinder
measuring cylinder
What unit should John use to record temperature.
centimeters
seconds
degrees in Celsius
When the substance does not change into a new/different substance it is called a _____________.
Physical process
Chemical reaction
When substances are mixed together and they change or form a new substance/material, it is called a _______.
Physical process
Chemical reaction
Melting and Freezing are examples of a _______.
Physical process
Chemical process
If you cannot turn it back or reverse it, then it is a _______.
Physical process
Chemical reaction
Is mixing vinegar and baking soda a physical process or chemical reaction?
physical process
chemical reaction
Which one is an example of a physical process?
burning wood
burning wood
melting ice cream
melting ice cream
rusting metal
rusting metal
Which one is an example of a chemical reaction?
folding paper
folding paper
water freezing
water freezing
making concrete
making concrete
