Name:
Date:
Materials and Changes Activity
1. Properties of Matter Matching
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Label each image with the correct term from the word bank and write its definition.
Word Bank:
1. Transparent 2. Insulator 3. Conductor 4. Opaque
2. Physical or Chemical Change?
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Read each event below. Decide if it is a Physical Change (the material stays the same) or a
Chemical Change (a new substance is made). Put a checkmark (✓) in the correct column.
Event in Tanzania
1. Burning firewood to cook food.
2. Melting ice cubes in a glass of juice.
Physical Change
Chemical Change
3. An iron mabati (roofing sheet) rusting after
heavy rains.
4. Dissolving salt into water for cooking.
3. Science in Action
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1. Look at the cooking pot. Why is the main part of the pot made of
metal, but the handle made of wood or plastic? Use the words
conductor and insulator in your answer.
Answer Key
1. Properties of Matter Matching
1. Transparent (allows light through)
2. Conductor (allows heat/electricity through)
3. Opaque/Insulator (blocks light/blocks heat)
2. Physical or Chemical Change?
⚖️
1. Chemical, 2. Physical, 3. Chemical, 4. Physical
3. Science in Action
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Answer:
The metal pot is a conductor, which allows heat to pass through quickly to cook the food. The
handle is an insulator, which stops the heat from burning your hand.