Uploaded by Leah McGlashan

Year 8 Particle Theory & Graphing Revision Worksheet

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Student Name: ________________________
Particle Theory Revision
ACTIVITY BOX 1
1. List the three states of matter commonly found on Earth
_______________________________________________________________________
2. State whether the following are solids, liquids or gasesa) A sugar cube- ___________________
b) Ink- ____________________________
c) Air - _________________________
3. List the different states in which the substances exist in the following mixturesa) Soft drink- _________________________________________
b) Chicken curry- _______________________________________
c) Mud- ____________________________________________
4. List two physical properties and one chemical property of a sheet of paper.
Physical- ___________________________________________________________________
Chemical-___________________________________________________________________
ACTIVITY BOX 2
1. What is the name of the thing that keeps atoms/particles stuck together? ___________
2. Fill in this table for Physical Properties of Solids, Liquids and Gases.
Solids
Liquids
Shape (fixed/not fixed)
Gases
Volume (fixed/ not
fixed)
Can it flow? (yes/no)
Compressible? (yes/ no)
Will it spread out to fill
the container?
3. What are the four Chemical Properties you have learned?
_________________ ___________________
_________________ ________________
4. What do atoms/particles have, that allow them to move? ________________
Student Name: ________________________
ACTIVITY BOX 3
1. Give the word that explains the changes of state happening below:
Solid turns into a liquid: _______________________
Liquid turns into a gas: ________________________
Solid turns straight into a gas: __________________
Gas turning straight into a solid: _________________
Liquid (NOT WATER) turning to a solid: __________________
Gas turning into a liquid: __________________________
Water liquid turning into water ice: _____________________
2. What are FOUR things/signs that a Chemical Change has taken place?
1. ____________________________________ 2. _________________________________
3. ____________________________________ 4. __________________________________
3. Read each scenario. Decide whether a physical or chemical change has occurred and
give evidence for your decision. The first one has been done for you to use as an example.
1
3
4
5
6
Scenario
In a fireworks show, the fireworks
explode giving off heat and light
An acid reacts with a metal to
produce gas and heat
A plate is dropped and it shatters
into pieces
Pancake batter is cooked into
pancakes
A block of ice melts into a liquid
7
Gas on a stovetop is ignited to
produce flames
8
Wood is burned to create smoke
and flame
9
Rust starts to form on a metal
toolbox that is left in the rain
10 A slab of gold metal is melted
down and shaped into a ring
Physical/Chemical
Evidence/Reason
Chemical
Produced heat and light, which was
something new
Student Name: ________________________
ACTIVITY BOX 4
1) Jack and Jill were dissolving sugar in water.
They wanted to know if increasing the temperature of the water would make the sugar
dissolve faster or not.
Temperature of Water (◦C)
25
30
35
40
65
100
Time Taken for Sugar to Dissolve in Water (min)
5
4
3.5
3
2
1
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