Structure and Properties of Matter - 7th Grade

Everything is made of tiny pieces called

• Cells

• Molecules

• Water

• Atoms (elements)

Tags

NGSS.MS-PS1-1

What combine to form molecules?

• Water

• Elements (atoms)

• Cells

• Solids

Tags

NGSS.MS-PS1-1

How many oxygen atoms are in 1 water molecule?

• 1

• 2

• 3

• 4

Tags

NGSS.MS-PS1-1

How many oxygen atoms are in 1 carbon dioxide (CO₂) molecule?

• 1

• 2

• 3

• 4

Tags

NGSS.MS-PS1-1

How many hydrogen atoms are needed to form 1 hydrogen molecule?

• 1

• 2

• 3

• 4

Tags

NGSS.MS-PS1-1

A single carbon atom can bond with up to how many other molecules?

• 1

• 2

• 3

• 4

Tags

NGSS.MS-PS1-1

They type of bonds that link atoms together.

• Electric bonds

• James bonds

• Chemical bonds

• Neutron bonds

Tags

NGSS.HS-PS1-1

When water freezes into ice, the water molecules form a bond between the ___________ & ___________ atoms, one from each molecule.

• oxygen & oxygen

• hydrogen & hydrogen

• oxygen & hydrogen

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-4

The atoms in a ________ are packed tightly together and slowly vibrate.

• liquid

• solid

• gas

• plasma

Tags

NGSS.MS-PS1-4

How many oxygen atoms are needed to form one oxygen molecule? (O₂)

• 1

• 2

• 3

• 4

Tags

NGSS.MS-PS1-1