Chapter 2

Chemistry studies

• living things

• matter

• history

• interactions of living things with their environment

Tags

NGSS.MS-LS2-3

NGSS.MS-PS1-1

NGSS.MS-PS1-4

NGSS.MS-PS1-5

Which state of matter maintains volume and shape?

• solid

• liquid

• gas

Tags

NGSS.MS-PS1-4

Which state of matter maintains volume but does not have a fixed shape?

• solid

• liquid

• gas

Which state of matter does not have a fixed shape or volume?

• solid

• liquid

• gas

_________ elements are the most abundant elements that contribute to total body weight.

• primary

• trace

• principal

• secondary

_________ elements are found in very small amounts in the body.

• primary

• trace

• principal

• secondary

Atoms are made up of these positively charged particles.

• protons

• neutrons

• electrons

Atoms are made up of these negatively charged particles.

• protons

• neutrons

• electrons

Atoms are made up of these neutral particles.

• protons

• neutrons

• electrons

Atoms are made up of these neutral particles.

• protons

• neutrons

• electrons