Science Week 2 vocab review-Physical Science

What is a mixture?

• A mixture that forms when one substance dissolves another.

• A combination of two or more substances that each maintain their own physical property

• A combination of two or more substances that evenly mix

What is a solution?

• A mixture that forms when one substance dissolves another.

• A combination of two or more substances that each maintain their own physical property

• A combination of two or more substances that evenly mix

What is a physical change?

• A change that changes only what the substance looks like.

• A change in a substance that does change its identity, such as burning or dissolving.

• A change in a substance that does not change its identity, such as cutting, folding, or melting.

Define dissolve.

• to form a solution by mixing evenly, spreads out evenly in a liquid.

• The change of a substance from a liquid to a gas

• to combine two or more substances that do not evenly mix

What is a substance?

• change from a solid to a liquid

• a single part of a mixture or solution

• The change of a substance from a liquid to a gas

Define evaporation.

• The change of a substance from a liquid to a gas

• The change of state from a gas to a liquid

• Change from liquid to solid

Define condensation.

• The change of a substance from a liquid to a gas

• The change of state from a gas to a liquid

• Change from liquid to solid

Define freeze.

• change from a solid to a liquid

• The change of state from a gas to a liquid

• Change from liquid to solid

Define melt.

• change from a solid to a liquid

• The change of state from a gas to a liquid

• Change from liquid to solid

At what temperature will water freeze?

• 10 degrees Celsius

• 0 degrees Celsius

• 100 degrees Celsius