Atoms, Molecules and Phase Changes 1.10.25

This picture best represents which state of matter?

• solid

• liquid

• gas

• plasma

This picture best represents which state of matter?

• solid

• liquid

• gas

• plasma

Tags

NGSS.5-PS1-1

NGSS.5-PS1-3

This picture best represents which state of matter?

• solid

• liquid

• gas

• plasma

Tags

NGSS.MS-PS1-4

This picture best represents which state of matter?

• solid

• liquid

• gas

• plasma

Tags

NGSS.5-PS1-1

NGSS.5-PS1-3

Which state of matter takes the shape of its container?

• solid

• liquid

• gas

• plasma

Suppose you pour a glass of ice water and set it on the kitchen table. After a few minutes, the outside of the glass will be covered with drops of water. Why did this happen?

• Oxygen in the air cooled and condensed onto the cold glass.

• Water vapor in the air cooled and condensed onto the cold glass.

• Water vapor in the air cooled and evaporated onto the cold glass.

• Water seeped through pores in the glass.

Tags

NGSS.MS-PS1-4

A substance is able to flow freely within a container. What state of matter is the substance in?

• Liquid

• Gas

• Solid

• Plasma

What are the characteristics of a solid?

• Solids do not have a definite shape but have a definite volume

• Solids have a definite shape and no definite volume

• Solids do not have a definite shape and no definite volume

• Solids have a definite shape and definite volume

Alex noticed that a metal door that sticks on hot days does not stick when it cools off at night. This is because the metal contracts as it cools. The reason for this is that, as the metal cools, the atoms

• become smaller and take up less space.

• slow down and move closer together.

• merge together to form fewer atoms.

• speed up and move farther apart.

Tags

NGSS.MS-PS1-4

The phase of matter with a definite volume but no definite shape is a

• solid
• liquid
• gas