Physical Properties
Physical Changes
Conservation of matter
100

What is a physical property?

  •  A characteristic of a substance that can be observed or measured without changing the substance's identity.

100

 What is a physical change?

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

100

What is the law of conservation of matter?

  • A principle stating that matter is neither created nor destroyed

200

What is color?

  •  A physical property that describes the appearance of an object based on the wavelengths of light it reflects.

200

What happens during freezing?

  • A physical change where a liquid turns into a solid as it loses heat energy.

200

How does matter change during a physical change?

  • The matter remains the same because no new substances are formed.

300

What is texture?

  • A physical property that describes the feel or surface quality of a substance, such as smooth, rough, or bumpy.

300

What is evaporation?

  • A physical change where a liquid turns into a gas as it gains heat energy.

300

How does air particles move in a ballon?

Spread apart and move fast

400

 What is melting point?

  • The temperature at which a solid becomes a liquid.

400

What is condensation?

  • A physical change where a gas turns into a liquid as it loses heat energy.

400

What happens to the physical properties of sugar and water when they are mixed together to form a solution

The sugar dissolves in the water but the properties stay the same

500

What is density?

  • whether something sinks or floats

500

What is a mixture?

  • A combination of two or more substances that retain their individual properties and can be separated by physical means.

500

Last question only


WIMBD

October 31st

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