Matter Task Cards 1-20

1.

• Object 1
• Object 2
• Object 3
• Object 4

2.

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3.

• Magnetism
• Physical state
• Solubility in water
• Relative density to water

4.

• The temperature of the chocolate bar increases.
• The chocolate bar changes from a solid to a liquid.
• The temperature of the banana increases.
• The banana melts from a liquid to a solid.

5.

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6.

• Cup 4, because the water reached the lowest temperature
• Cup 3, because the temperature of the water had the lowest decrease
• Cup 1, because the water cooled the quickest
• Cup 3, because the most thermal energy was produced by the cup

7.

• Liquid L, because vegetable oil is less dense than water and more dense than a sponge
• Liquid M, because vegetable oil is less dense than water and more dense than a coin
• Liquid M, because vegetable oil is more dense than water and less dense than a coin
• Liquid L, because vegetable oil is more dense than water and less dense than a sponge

8.

• The pieces of banana become smaller in size.
• The sugar changes from a solid to a liquid.
• The water changes color.
• The water’s taste 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 bent easily
• Plastic, because it is a solid
• Plastic, because it is a thermal and electrical insulator