Scientific Steps And Variables Question Preview (ID: 38698)


Quiz 2. TEACHERS: click here for quick copy question ID numbers.

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

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

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

The first sentence of the conclusion should tell what happened.
a) True
b) False
c)
d)

The third step of the scientific method is Observe and Record.
a) True
b) False
c)
d)

What color seeds do cardinals prefer? What should not be constant?
a) type of seed
b) size of seed
c) color of seeds
d) type of bird (cardinal)

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

Name the 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

Name the IV: If batteries are stored in cold temperatures, then they will last longer.
a) type of batteries
b) Device batteries are used in
c) temperature stored
d) refrigerator

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

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