NEW
Font size
WorksheetsQUIZ BEE CHEM EDITION - GRADE 8
Total questions: 10
Worksheet time: 2mins
(TRUE OR FALSE)
A human is an example of matter.
TRUE
FALSE
(TRUE OR FALSE)
When a gas changes into a liquid, it undergoes evaporation.
TRUE
FALSE
(TRUE OR FALSE)
Gases are hard to compress.
TRUE
FALSE
(TRUE OR FALSE)
An increase in temperature increases molecular motion and increases the distance between atoms and molecules in solids, liquids, and gases.
TRUE
FALSE
(TRUE OR FALSE)
Chemistry is the study of matter.
TRUE
FALSE
A physical property that determines whether one substance will float or sink in another.
a. Mass
b. Density
c. Volume
What do we call the chemical property, when iron reacts with oxygen and it forms the reddish powder called rust?
a. Oxidation
b. Reactivity
c. Toxicity
There are two reasons why scientists find the particle model useful, except.
a. it provides a reasonable explanation for the behavior of matter.
b. it presents a very important idea the particles of matter are always moving.
c. it sustains homeostatic order in the branch of chemistry.
What do you call the ability of matter to dissolve other substances?
a. Melting point
b. Solubility
c. Evaporation
Is gravity a sample matter?
a. Yes
b. No
c. Not sure
