Mid-term review 2024-2025

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What is matter?

Back

Matter is anything that has mass and takes up space. It is made up of atoms and molecules.

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What are the three states of matter?

Back

The three states of matter are solid, liquid, and gas.

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What is the particle theory of matter?

Back

The particle theory states that all matter is made up of tiny particles that are in constant motion.

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What is conduction?

Back

Conduction is the transfer of heat through direct contact between materials.

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What is convection?

Back

Convection is the transfer of heat through the movement of fluids (liquids and gases).

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What is radiation?

Back

Radiation is the transfer of heat in the form of electromagnetic waves, such as light.

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What is a dependent variable?

Back

A dependent variable is the factor that is measured or tested in an experiment.

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What is an independent variable?

Back

An independent variable is the factor that is changed or controlled in an experiment to test its effects.

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What is a control variable?

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A control variable is a factor that is kept constant throughout an experiment to ensure valid results.

Front

What is boiling?

Back

Boiling is the process where a liquid turns into a gas when it reaches its boiling point.