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What is a chemical change?

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A chemical change is a process where substances combine or break apart to form new substances, often with different properties.

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What is a physical change?

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A physical change is a change that affects one or more physical properties of a substance without altering its chemical composition.

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What is temperature?

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Temperature is a measure of how hot or cold something is, usually measured in degrees Celsius (°C) or Fahrenheit (°F).

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What does it mean for a material to be non-magnetic?

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Non-magnetic materials do not attract or repel magnets and are not influenced by magnetic fields.

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What is an observation in science?

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An observation is the act of noticing and describing events or processes in a careful and orderly way.

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What is a metamorphic rock?

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A metamorphic rock is a type of rock that has been changed from its original form by heat, pressure, or chemical processes.

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What is the process of melting?

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Melting is the process where a solid turns into a liquid when it is heated to its melting point.

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What is the difference between a solid and a liquid?

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A solid has a definite shape and volume, while a liquid has a definite volume but takes the shape of its container.

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What is heat?

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Heat is a form of energy that is transferred between objects due to a temperature difference.

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What is the water cycle?

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The water cycle is the continuous movement of water on, above, and below the surface of the Earth, including processes like evaporation, condensation, and precipitation.