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
It takes too mch water to dilute it.
B
Liquids don't belong in the garbage.
C
chemicals can contaminate our water supply.
3) If a chemical is toxic its label should read
A
Harmful or fatal if swallowed.
B
Keep away from flame.
C
irritating to eyes.
4) Because some chemicals are corrosive
A
we don't eat in lab.
B
we don't use fire during lab.
C
we wear aprons and goggles during lab.
5) Which statement is true?
A
Anything you buy at the store is safe to se.
B
Household products can be dangerous.
6) We measure mass with
A
a scale.
B
a meter stick.
C
a graduated cylinder.
7) We measure volume with a
A
a scale.
B
graduated cylinder.
C
a meter stick.
8) Sam recorded that the roses were red. That data is
A
quantitative.
B
biased.
C
qualitative
9) The marble is 5 grams. This is a measure of
A
mass
B
length
C
volume,
10) Which set of data would be best displayed on a bar graph?
A
how tall one plant grows over time.
B
how a person spends his allowance.
C
comparison of the height of different plants
11) A beachball floats on water because
A
it is more dense than water.
B
it is less dense than water.
C
it doesn't float at all.
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
oxygen
B
more air
C
nothing, just space
D
water
14) Water heated in a beaker turns to steam. Why does this happen?
A
Salt was added to the water.
B
The water molecules lost energy and moved slower and got closer together.
C
The water molecules gained energy and moved faster and farther apart.
15) Which one of these processes requires a gain in energy?
A
condensing
B
dissolving
C
melting
16) The ball was a measured mass of 113 grams. This statement is
A
an observation
B
an inference
C
a prediction
D
an opinion
17) Which of these statements is a hypothesis?
A
Generally anything that removes bacteria from your mouth is a good thing.
B
If I floss my teeth daily then I should get less cavities than someone who does not floss his teeth.
C
Flossing has been proven to reduce cavities in children's teeth.
D
Many infectious diseases are caused by bacteria.
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
Download a video on thunderstorms to watch.
C
Look at weather data for the past week.
D
Measure the snowfall after the first thunderstorm.
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
It violates Newton's third law of motion.
B
She should only flip the coin twice.
C
Her sample size is too small to be valid.
D
She did not state a hypothesis.
*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!
©2007-2024
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?