Review Game Zone
Flash Cards
(current)
Games
Teachers
Search
8.1 CQA Review
Test Description: Review for the first common quarterly exm
Instructions: Answer all questions to get your test result.
1) We have a fire extinguisher in the classroom because some chemicals are
A
corrosive
B
poisonous
C
toxic
D
flammable
2) We do not dispose of all hemicals down the drain or in the garbage because
A
chemicals can contaminate our water supply.
B
It takes too mch water to dilute it.
C
Liquids don't belong in the garbage.
3) If a chemical is toxic its label should read
A
Keep away from flame.
B
Harmful or fatal if swallowed.
C
irritating to eyes.
4) Because some chemicals are corrosive
A
we don't use fire during lab.
B
we wear aprons and goggles during lab.
C
we don't eat in lab.
5) Which statement is true?
A
Household products can be dangerous.
B
Anything you buy at the store is safe to se.
6) We measure mass with
A
a meter stick.
B
a scale.
C
a graduated cylinder.
7) We measure volume with a
A
a meter stick.
B
a scale.
C
graduated cylinder.
8) Sam recorded that the roses were red. That data is
A
quantitative.
B
qualitative
C
biased.
9) The marble is 5 grams. This is a measure of
A
length
B
mass
C
volume,
10) Which set of data would be best displayed on a bar graph?
A
how a person spends his allowance.
B
how tall one plant grows over time.
C
comparison of the height of different plants
11) A beachball floats on water because
A
it doesn't float at all.
B
it is more dense than water.
C
it is less dense than water.
12) A solid will change state to a liquid when
A
heat energy is lost.
B
heat energy is added.
13) What is between the particles of air?
A
nothing, just space
B
water
C
more air
D
oxygen
14) Water heated in a beaker turns to steam. Why does this happen?
A
The water molecules gained energy and moved faster and farther apart.
B
Salt was added to the water.
C
The water molecules lost energy and moved slower and got closer together.
15) Which one of these processes requires a gain in energy?
A
melting
B
dissolving
C
condensing
16) The ball was a measured mass of 113 grams. This statement is
A
an opinion
B
an observation
C
an inference
D
a prediction
17) Which of these statements is a hypothesis?
A
If I floss my teeth daily then I should get less cavities than someone who does not floss his teeth.
B
Flossing has been proven to reduce cavities in children's teeth.
C
Many infectious diseases are caused by bacteria.
D
Generally anything that removes bacteria from your mouth is a good thing.
18) Two students think that winter thunderstorms are always followed by snow. How could they test their hypothesis?
A
Analyze winter weather data for the past five years.
B
Measure the snowfall after the first thunderstorm.
C
Look at weather data for the past week.
D
Download a video on thunderstorms to watch.
19) Jenna flips a coin 10 times. Seven times it landed on heads and three times it landed on tails. Jenna concludes that coins always land on heads more than tails. Jenna might be wrong because
A
She should only flip the coin twice.
B
It violates Newton's third law of motion.
C
She did not state a hypothesis.
D
Her sample size is too small to be valid.
*select an answer for all questions
Check Results & Get Answers
Play Games with the Questions Above
Teachers: Create FREE classroom games with your questions
Click for more info!
©2007-2023
ReviewGameZone.com
|
About
|
Privacy
|
Contact
|
Terms
|
Site Map
WAIT! Find what you needed?
×
Still Looking for the Answers?
Have Another Question?
Play a Review Game with These Questions?
Want to Make Your Own Test Like This One?