eQuizShow
Physical Science Review
Variables and What comes first
Question: Which is the independent
variable?
a) Heat in your apartment winter
b) Thermostat setting
Answer: Thermostat setting
Question: Which is the independent
variable?
a) Your exam grade
b) Days absent from class
Answer: Days absent from class
Question: Which is the independent
variable?
a) Body Height
b) Age of body
Answer: Age of body
Question: Which is the independent
variable?
a) Crazy behavior in school
b) # of incident referrals
Answer: Crazy behavior in school will increase your referrals
Question: Which is the independent
variable?
a) Length of pencil
b) Number of times pencil has been sharpened
Answer: Number of times pencil has been sharpened
Matter Mixture?
Question: Hydrogen(H)
a) Homogeneous
mixture
b) Heterogeneous
mixture
c) Compound
d) Element
Answer: Element
Question: Water (H2O) is a
a) Homogeneous
mixture
b) Heterogeneous
mixture
c) Compound
d) Element
Answer: Compound (more than one element listed)
Question: Hot chocoloate
a) Homogeneous
mixture
b) Heterogeneous
mixture
c) Compound
d) Element
Answer: Homogeneous Mixture. Looks the same throughout.
Question: Chili is a
a) Homogeneous
mixture
b) Heterogeneous
mixture
c) Compound
d) Element
Answer: Heterogeneous Mixture. Made of many different parts
Question: Salt (NaCl) is a
a) Homogeneous
mixture
b) Heterogeneous
mixture
c) Compound
d) Element
Answer: Compound
Particle Motion
Question: Particles are farthest apart
in which phase of
matter?
Answer: Gas
Question: In which phase of matter
to particles move the
fastest?
Answer: Gas
Question: Which state of matter can you feel but not pick up with your hand?
Answer: Water
Question: What happens to the movement of particles if they are cooled down.
Answer: They slow down
Question: Heat is added to an
object. What do that
object’s particles do?
Answer: SPEED UP. AHH it's hot!
Chemical Change?
Question: When we burn gas in our cars, we produce carbon dioxide, a gas. Is this evidence of a chemical change?
Answer: Yes, a gas is produced.
Question: Is digesting food an
example of chemical
change?
Answer: Yes. Gas is produced.
Question: I pour bleach and an unknown liquid into a glass cup. I pick up the cup and it feels hot.
Is that a sign of chemical change
Answer: Yes. Heat is produced.
Question: I smashed a bag of chips into smaller pieces. Is this a physical or chemical change?
Answer: Physical change. There is no evidence of a chemical change.
Question: Are the lights above us evidence of a chemical change?
Answer: Yes. Light is produced.
Oh the Random
Question: Identify the part of the
scientific method:
Scientist looks at the data
from the experiment reports on what was learned
Answer: Conclusion. This is the end of the experiment.
Question: Identify the part of the
scientific method:
Scientist states what they
believe will be the solution
to the problem.
Answer: Hypothesis. This is where the scientist tells what he/she thinks will happen.
Question: Identify the part of the
scientific method:
Scientist creates a plan to test what he/she thinks will happen.
Answer: Experiment.
Question: Identify the part of the
scientific method:
Scientist thinks of a problem she would like to test.
Answer: Problem
Question: State the four parts of the Scientific Method
Answer: Problem/Question
Hypothesis
Experiment
Conclusion