grade 8 intro chemistry

What Is Matter?

• Anything That has mass and takes up space.

• Anything that you can see or taste.

• What you can touch.

• you and go throught this.

What Is Volume?

• How heavy something is.
• The amount of space taken up by and object.
• How a liquid flows.
• The international unit of measurement.

Liquids and gases are similar because __________________________.

• they both take the shape of their container
• they both have their own shape
• liquids pour and gases don't
• liquids take the shape of the container but gases have their own shape

Gas particles have the ________ kinetic energy because they move the fastest.

• least
• most

How are plasma and gas different?

• Plasma has a definite shape, but gas does not.

• Gas is hotter than plasma.

• Electrons separate from atoms in plasma and plasma is hotter.

• Gas has a definite volume, but plasma does not.

The type of matter with the lowest heat energy and temperature.

• gas

• solid

• liquid

• plasma

What phase of matter is shown in the diagram?

• solid
• liquid
• gas
• physical changes

Which of the following describes liquids?

• definite shape, definite volume

• no definite shape, definite volume

• no definite shape, no definite volume

• no definite shape, no definite volume, electrically charged

Which sentence is true?

• If ice is heated up a little, it will turn into a liquid, but if it is heated up even more, it will turn into a gas.
• If ice is heated up a little, it will turn into a gas, but if it is heated up even more, it will turn into a liquid.
• If ice is heated up a little, it will turn into a liquid, but if it is heated up even more, it will turn into a solid.
• If ice is heated up a little, it will turn into a solid, but if it is heated up even more, it will turn into a gas.

Which state of matter?

• Solid
• Liquid
• Gas
• Texas