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Variables
Test Description: Variables Review
Instructions: Answer all questions to get your test result.
1) When writing a hypothesis, what two words should be used ?
A
It's and because
B
If and then
C
cause and effect
D
now and then
2) What is the dependent variable in this hypothesis: If it is raining, then less people will come?
A
amount of rain
B
where people live
C
the number of people
D
day/time it rained
3) When doing an experiment, you should only change one variable.
A
false
B
true
4) The FIRST sentence of the conclusion should tell what happened
A
true
B
false
5) Name the dependent variable (DV): How do different cleansers affect the growth of mold?
A
color of cleanser
B
location of mold
C
brand of cleanser
D
growth of mold
6) The THIRD step of the scientific method is Observe and Record.
A
true
B
false
7) What color seeds do cardinals prefer? What should be a variable?
A
type of bird (cardinal)
B
color of seed
C
type of seed
D
size of seed
8) Name the independent variable (IV): How does the amount of soil affect the growth of a bean seed?
A
amount of soil
B
amount of sunshine
C
bean seed growth
D
type of bean seed
9) If you wanted to find out which brand of gum made the biggest bubbles, what would be a good hypothesis?
A
Bubble Yum will produce the biggest bubbles.
B
Bubbles will be bigger with Bubble Yum
C
The more Bubble Yum you chew, the bigger the bubbles
D
If Bubble Yum is used, then it will have the biggest bubbles.
10) Which is a testable question?
A
Girls are nicer than boys
B
Using Colgate toothpaste makes your teeth whiter.
C
Drums are better than the flute.
D
Coke is better than Pepsi.
*select an answer for all questions
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