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 __________.
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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