Science Questions

Front

What is an emulsifier?

Back

An emulsifier is a substance that helps two liquids mix together and stay mixed over time.

Front

What property of matter is used to filter salt from water?

Back

The size of the particles is used to filter salt from water, as the salt particles are smaller than the water molecules.

Front

Are all types of matter made up of atoms?

Back

No, all types of matter are made up of atoms. This statement is false.

Front

What do atoms join together to form?

Back

Atoms join together to form molecules.

Front

What is a mixture?

Back

A mixture is made up of different molecules combined together.

Front

What is a molecule?

Back

A molecule is a group of two or more atoms bonded together.

Front

What is a substance?

Back

A substance is a form of matter that has a specific composition and properties.

Front

What is the difference between a mixture and a compound?

Back

A mixture is a combination of two or more substances that retain their individual properties, while a compound is a substance formed when two or more elements chemically bond together.

Front

What is filtration?

Back

Filtration is a process used to separate solids from liquids or gases using a filter.

Front

What is the role of size in filtering?

Back

Size determines whether a particle can pass through a filter; larger particles are trapped while smaller ones pass through.