1) Which of the following is an example of a material being changed physically? a) Burning wood to produce ash b) Mixing vinegar and baking soda to create a chemical reaction c) Melting chocolate to make a dessert 2) Which of the following is an example of a material being changed chemically? a) Cutting a piece of paper into smaller pieces b) Dissolving salt in water to make a solution c) Rust forming on a metal object 3) Which of the following is an example of a material being changed mechanically? a) Grinding coffee beans to make coffee powder b) Heating water to make it boil c) Mixing oil and water to form an emulsion 4) Which of the following is an example of a material being changed biologically? a) Decomposing food waste to create compost b) Freezing water to make ice cubes c) Mixing paint colors to create a new shade 5) Which of the following is an example of a material being changed through a physical change? a) Burning a candle and producing smoke b) Mixing lemon juice and baking soda to create a fizzing reaction c) Melting butter to use in a recipe 6) Which of the following is an example of a material being changed through a chemical change? a) Cutting a piece of fruit into slices b) Mixing vinegar and baking soda to create a volcano eruption c) Melting ice to obtain liquid water 7) Which of the following is an example of a material being changed through a mechanical change? a) Grinding spices to make a seasoning blend b) Heating milk to make it warm c) Mixing oil and vinegar to make a salad dressing 8) Which of the following is an example of a material being changed through a biological change? a) Decomposing leaves to create soil b) Freezing juice to make popsicles c) Mixing paint colors to create a new shade 9) Which of the following is an example of a material being changed through a physical change? a) Burning wood to produce heat and light b) Mixing vinegar and baking soda to create a chemical reaction c) Melting chocolate to make a dessert 10) Which of the following is an example of a material being changed through a chemical change? a) Cutting a piece of paper into smaller pieces b) Dissolving salt in water to make a solution c) Rust forming on a metal object

Matter and Materials: Changing Materials

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