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What is pollution?

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Pollution is the introduction of harmful substances or products into the environment, which can cause damage to ecosystems and human health.

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What occurs when two substances combine to form a new substance?

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A chemical reaction has occurred.

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Who creates synthetic materials?

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Humans create synthetic materials.

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What is biodiesel made from?

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Biodiesel is made from recycled cooking oil.

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What are bioplastics?

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Bioplastics are degradable plastics that scientists are trying to develop.

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What is a synthetic material?

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A synthetic material is a man-made substance created through chemical processes.

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What is the difference between a chemical reaction and a physical reaction?

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A chemical reaction results in the formation of new substances, while a physical reaction does not change the chemical composition of the substances involved.

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What are some examples of synthetic materials?

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Examples of synthetic materials include plastics, nylon, and polyester.

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Why is recycling important?

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Recycling helps reduce pollution, conserve natural resources, and decrease the amount of waste in landfills.

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What is a mixture?

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A mixture is a combination of two or more substances where each retains its own properties.