Science (6) Midterm 2024

What is matter that is composed of more than 1 substance?

• Element

• Compound

• Mixture

• Solution

What are the two characteristics of matter?

• Has mass and takes up space

• Is made of atoms and molecules

• Can change states and forms

• Is affected by gravity

What is the difference between a mixture and a compound?

• A mixture is made of two or more substances that are chemically combined, while a compound is made of two or more substances that are not chemically combined.

• A mixture is a single substance, while a compound is a combination of two or more substances.

• A mixture can be separated by physical means, while a compound cannot be separated by physical means.

• A mixture is made of two or more substances that are not chemically combined, while a compound is made of two or more substances that are chemically combined.

What is a gas?

• A state of matter that has no definite shape or volume.

• A liquid that takes the shape of its container.

• A solid with a fixed shape and volume.

• A form of matter that can be compressed into a smaller volume.

What is the process of a gas turning into a liquid called?

• Evaporation

• Condensation

• Sublimation

• Precipitation

What is a solid?

• A state of matter that has a definite shape and volume.

• A state of matter that flows and takes the shape of its container.

• A state of matter that has no definite shape or volume.

• A state of matter that can be compressed easily.

What is a liquid?

• A state of matter that has a definite volume but takes the shape of its container.

• A state of matter that has a fixed shape and volume.

• A state of matter that can be compressed easily.

• A state of matter that has no definite volume or shape.

What happens to the particles in a liquid when heated?

• They lose energy and become solid.

• They gain energy and may move fast enough to become a gas.

• They remain stationary and do not change.

• They gain energy and become a solid.

What is an example of a mixture?

• Salad, as it contains different ingredients that are not chemically combined.

• Sugar water, as it is a homogeneous solution.

• Salt, as it is a pure substance.

• Oxygen, as it is a single element.

What is the process of a liquid turning into a gas called?

• Condensation

• Evaporation

• Sublimation

• Precipitation