Exploring Matter and Ecosystems Quiz

What is an ecosystem?

• A group of planets in the solar system

• A community of living organisms interacting with their environment

• A type of chemical reaction

• A phase of the moon

Which of the following is a physical change?

• Burning wood

• Melting ice

• Rusting iron

• Baking a cake

What is the main difference between a solid and a liquid?

• Solids have a fixed shape, while liquids take the shape of their container

• Solids can flow, while liquids cannot

• Solids are always colder than liquids

• Solids are invisible, while liquids are visible

Tags

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Which of the following is a chemical change?

• Freezing water

• Dissolving sugar in water

• Burning paper

• Melting butter

Tags

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What phase is the moon in when it is completely dark and not visible from Earth?

• Full Moon

• New Moon

• First Quarter

• Last Quarter

Tags

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Which planet is closest to the Sun?

• Earth

• Mars

• Mercury

• Venus

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What is a mixture?

• A substance made of two or more elements chemically combined

• A combination of two or more substances that are not chemically combined

• A single element

• A phase of matter

What is a solution?

• A type of mixture where one substance is dissolved in another

• A solid form of a substance

• A chemical reaction

• A phase of the moon

What is an atom?

• The smallest unit of a chemical element

• A type of molecule

• A phase of matter

• A type of ecosystem

Tags

NGSS.MS-PS1-1

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What is a molecule?

• A single atom

• A group of atoms bonded together

• A type of ecosystem

• A phase of the moon

Tags

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