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Objects can be made of a …… of materials.
Combination
Some materials can be …… like buttons on a shirt
Separated
Pieces of fabric can be assembled to make ….
Bags / blankets / new clothes
Houses have …. Walls that can be dismantled and turned into walkways.
Brick
What can happen to materials when they are heated or cooled?
They can change shape and colour
What part of a raw egg is a clear liquid?
Egg white
Is the raw egg yolk a yellow solid or liquid?
Liquid
What happens to an eggs’ yolk and white when heat is added?
It turns to a solid. The yolk becomes a pale yellow, and the whites become a white solid.
When white bread it toasted it ….
Turns brown and and crispy
What is added to a raw prawn to make it change colour and shape?
Heat
Water is a …. at room temperature
Liquid
Liquids have a fixed shape and can flow. TRUE / FALSE
FALSE - liquids flow and have no fixed shape
What happens when we remove heat from liquid water?
It freezes and Saturns to a solid / ice
What state of matter is ice?
Solid
Solids have a fixed shape. TRUE / FALSE
True
Ice can go from a solid to a liquid. TRUE/FALSE (and why)
TRUE - when ice is heated, it turns into a liquid
