ATOMS AND MOLECULES

Everything that we can touch, see and feel is made up of (a)  

Tags

NGSS.MS-PS1-5

Matter has mass and occupies (a)  

Matter is made up of extremely small particles called

• molecules

• solids

• gases

Tags

NGSS.MS-PS1-1

Molecules are made up of (a)  

Tags

NGSS.MS-PS1-1

Which statement best describes an element?

• made from mixture

• pure, made of only one atom

• can be separated

Which one has more than one type of atom in it?

• compound

• element

Tags

NGSS.MS-PS1-1

Water is an example of:

• compound

• element

• solution

Tags

NGSS.MS-PS1-1

When two or more elements chemically combine

• compound

• element

• solution

Tags

NGSS.MS-PS1-1

Carbon is considered an element while carbon dioxide is considered a compound. This is because carbon dioxide is –

• a gas at room temperature.

• given off by green plants.

• made of two different elements.

Tags

NGSS.MS-PS1-1

Compounds are different than elements because compounds are -

• A combination of two or more elements.

• made from the same type of atoms

• a pure substance, elements are not