Science G4 Unit 3 | 3.2 How do solids and liquids behave?

A __________ describes what a substance or material is like, or how it behaves.

• mixture

• substance

• property

• particle

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-4

Most solids are hard and cannot change their shape because __________.

• their particles are further apart together.

• their particles are always moving around each other.

• their particles are packed tightly together.

• their particles have some space between each other.

Tags

NGSS.MS-PS1-4

Some solids, such as sand, flour, salt, and sugar are similar to liquids; we can pour them and they take the shape of the container they are in. These solids are called __________.

• powders

• small solids

• tiny solids

• liquid-solid material

Powders are made up of lots of very tiny pieces that are called __________.

• grains

• tiny solid

• solid-liquid material

• solid matter

Below are the examples of a solid that can flow like a liquid, except __________.

• Flour

• Salt

• Syrup

• Raw rice

Grains are the same as particles. True or false?

• True

• False

Which one is the smallest?

• substance

• particle

• grain

• matter

Sand is solid. In what way does and behave like a liquid?

• Its particles are packed tightly together.

• It can flow like a liquid.

• Its particles are moving around each other.

• Its particles are quite close together.

Tags

NGSS.MS-PS1-4

Checklist some statements that are correct.

• Grains and particles are the same things.

• The grains can flow past one another like the particles in a liquid.

• The grains can flow past one another because there is air between the grains.

• A particle is made up of millions of grains.

• A grain is made up of millions of particles.

The grains are made up of millions of __________.

• powders

• particles

• solids

• sands