Science/ States of Matter

 Subject: Science

Grade: 6

Duration: 60 mins x 2 days

Theme: Energy, Forces and Matter

Focus Question: What changes are reversible and irreversible?

Content Summary
Condensation is the change from a vapour to a condensed state (solid or liquid). 
Evaporation is the change of a liquid to a gas.
Substances can change their state by heating and cooling.
Melting, freezing, evaporation and condensation can cause materials to change state.

Activities
View videos/pictures of materials changing state, including the freezing of water. 

Observe the following for more information on the states of matter










Assessment

Tier 1
Label the process at each stage



1. Match the correct state of matter to each example: (Solid, Liquid, or Gas)
o a) Ice _______________
o b) Water _______________
o c) Steam _______________

2. Fill in the blanks: 
o A solid has a __________ shape and volume.
o A liquid takes the shape of its __________.
o A gas spreads out to fill __________.

Tier 2
1. Explain what happens when heat is added to ice. What state change occurs?
o ________________________________________
2. Identify whether these changes are solid, liquid and gas
o a) A popsicle melts in the sun _______________
o b) Water in a glass turns to ice in the freezer _______________
o c) A puddle disappears on a hot day _______________



Tier 3
Explain the difference between melting and freezing
Describe one example of melting.


Extended Activities

Games

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