Variables Question Preview (ID: 61922)


Variables Review. TEACHERS: click here for quick copy question ID numbers.

Which is a testable question?
a) Girls are nicer than boys
b) Coke is better than Pepsi.
c) Drums are better than the flute.
d) Using Colgate toothpaste makes your teeth whiter.

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) The more Bubble Yum you chew, the bigger the bubbles
c) If Bubble Yum is used, then it will have the biggest bubbles.
d) Bubbles will be bigger with Bubble Yum

Name the independent variable (IV): How does the amount of soil affect the growth of a bean seed?
a) amount of soil
b) bean seed growth
c) type of bean seed
d) amount of sunshine

What color seeds do cardinals prefer? What should be a variable?
a) type of seed
b) size of seed
c) type of bird (cardinal)
d) color of seed

The THIRD step of the scientific method is Observe and Record.
a) true
b) false
c)
d)

The FIRST sentence of the conclusion should tell what happened
a) false
b) true
c)
d)

Name the dependent variable (DV): How do different cleansers affect the growth of mold?
a) location of mold
b) brand of cleanser
c) growth of mold
d) color of cleanser

When doing an experiment, you should only change one variable.
a) true
b) false
c)
d)

What is the dependent variable in this hypothesis: If it is raining, then less people will come?
a) the number of people
b) day/time it rained
c) amount of rain
d) where people live

When writing a hypothesis, what two words should be used ?
a) It's and because
b) If and then
c) now and then
d) cause and effect

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