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Parts of the Experiment

Total questions: 15

Worksheet time: 27mins

Name
Class
Date
1.
An experiment is conducted to test how different cleats change an athletes running speed.  Six different types of cleats are tested and the 100m run time is recorded.  What is the independent variable?
a)
The type of cleat
b)
The run time
c)
The 100 meters
d)
The athlete
2.
A test is set up to test which brand of soda creates the biggest foam explosion when adding a Mentos candy.  Three different sodas were tested. They measured the height of the foam eruption.   What is the dependent variable?
a)
Brand of soda
b)
Number of mentos candies used
c)
Height of foam eruption
d)
Temperature of soda
3.
Which of the following is a quantitative observation?
a)
The bird is very colorful.
b)
The bird has 4 different colors on him.
c)
The bird has many, many feathers.
d)
It is a bird. 
4.
The yard is wet so it must have rained last night is an example of a (an)
a)
constant
b)
control
c)
inference
d)
quantitative data
5.

What step does every scientific experiment begin with?

a)

hypothesis

b)

investigation/observations

c)

experiment

d)

conclusion

6.
Testing a hypothesis often involves a(n):
a)
answer
b)
experiment
c)
problem
d)
safety check
7.

A series of steps used to provide more evidence to support or disapprove a hypothesis.

a)

scientific method

b)

recipe

c)

data collection

d)

metric system

8.

Stephen predicted that seeds would start to grow faster if an electric current traveled through the soil in which they were planted is a(n) example of what step.

a)

question

b)

experiment

c)

form a hypothesis

d)

analyze/conclusions

9.

Johnathan’s data showed that household cockroaches moved away from raw cucumber slices is (a)n example of what step?

a)

question

b)

experiment

c)

form a hypothesis

d)

analysis/conclusions

10.

Rene grew bacteria from the mouth on special plates in the laboratory. She placed drops of different types of mouthwash on bacteria on each plate is an example of what step?

a)

question

b)

experiment

c)

form a hypothesis

d)

analysis/conclusion

11.

Justin wondered if dyes could be taken out of plant leaves, flowers, and stems is a(n) example of what step?

a)

question

b)

experiment

c)

form a hypothesis

d)

analysis/conclusions

12.

Experiment: Sendel wants to see if taking the backroads to work is faster than taking the highway during rush hour.


In Sendel's driving experiment, what is the independent variable?

a)

What time of day she drives

b)

The route she takes to work

c)

The speed at which she drives

d)

The time is takes to get to work

13.

Experiment: Sendel wants to see if taking the backroads to work is faster than taking the highway during rush hour.


In Sendel's driving experiment, what is the control group?

a)

Highway

b)

Backroads

c)

Time she drives to work

d)

Rush hour

14.

Experiment: Sendel wants to see if taking the backroads to work is faster than taking the highway during rush hour.


In Sendel's driving experiment, what is the experimental group?

a)

Highway

b)

Backroads

c)

Time she drives to work

d)

Rush hour

15.

Observation or Inference?

The girl has hurt her knee

a)

observation

b)

inference