What is a physical property?
A characteristic of a substance that can be observed or measured without changing the substance's identity.
What is a physical change?
A change that affects one or more physical properties of a substance without altering its chemical composition.
What is the law of conservation of matter?
A principle stating that matter is neither created nor destroyed
What is color?
A physical property that describes the appearance of an object based on the wavelengths of light it reflects.
What happens during freezing?
A physical change where a liquid turns into a solid as it loses heat energy.
How does matter change during a physical change?
The matter remains the same because no new substances are formed.
What is texture?
A physical property that describes the feel or surface quality of a substance, such as smooth, rough, or bumpy.
What is evaporation?
A physical change where a liquid turns into a gas as it gains heat energy.
How does air particles move in a ballon?
Spread apart and move fast
What is melting point?
The temperature at which a solid becomes a liquid.
What is condensation?
A physical change where a gas turns into a liquid as it loses heat energy.
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
What is density?
whether something sinks or floats
What is a mixture?
A combination of two or more substances that retain their individual properties and can be separated by physical means.
Last question only
WIMBD
October 31st