Matter Task Cards 1-20

1.

• Object 1

• Object 2

• Object 3

• Object 4

2.

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3.

• Magnetism

• Physical state

• Water solubility

• Relative density to water

4.

• The temperature of the chocolate bar increases.

• The chocolate bar changes from solid to liquid.

• The temperature of the banana increases.

• The banana melts from liquid to solid.

5.

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6.

• Cup 4, because the water reached the lowest temperature

• Cup 3, because the water temperature had the smallest decrease

• Cup 1, because the water cooled down faster

• Cup 3, because the highest amount of thermal energy was produced by the cup

7.

• Liquid L, because vegetable oil is less dense than water and denser than a sponge

• Liquid M, because vegetable oil is less dense than water and denser than a coin

• Liquid M, because vegetable oil is denser than water and less dense than a coin

• Liquid L, because vegetable oil is denser than water and less dense than a sponge

8.

• The pieces of banana decrease in size.

• The sugar changes from solid to liquid.

• The water changes color.

• The taste of the water changes.

9.

• Object 1

• Object 2

• Object 3

• Object 4

10.

• Copper, because it is a good conductor of electricity

• Copper, because it is flexible and can be easily bent

• Plastic, because it is solid

• Plastic, because it is a thermal and electrical insulator