Year 8 Chemistry Revision

Which is NOT one of the three states of matter?

• gas

• lava

• solid

• liquid

The periodic table lists all the known what?

• Molecule

• Compounds

• Elements

• Electrons

Evaporation is when ice changes into water:

• TRUE

• FALSE

Tags

NGSS.MS-PS1-4

Heating increases the speed of particles and cooling slows them down:

• TRUE

• FALSE

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Which state of matter has the lowest density?

• solid

• liquid

• gas

Which is the least dense?

• hot water

• cold water

Particles move ______ when heat energy is applied

• faster

• slower

Tags

NGSS.MS-PS1-4

The evaporation of sea water will result in an _______ in salinity

• increase

• decrease

Water is a ________

• atom

• element

• compound

Tags

NGSS.MS-PS1-1

Two joined atoms that are identical results in a

• element

• compound

Tags

NGSS.MS-PS1-1