WorksheetsScientific Processes
Total questions: 32
Worksheet time: 1hrs 1mins
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.
How many variables can be tested in a controlled experiment?
a)
one
b)
two
c)
three
d)
as many as possible
3.
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
4.
Research Question: How does the type of gasoline put in a car effect how fast the car can drive? What is the independent variable?
a)
Type of gasoline
b)
which car the gas is put into
c)
how fast the car can drive
d)
how much gas is put into the car
5.
This variable is the actual data collected during the experiment.
a)
independent variable
b)
dependent variable
c)
control group
d)
data group
6.
This variable in an experiment is the one being deliberately changed by the scientist.
a)
dependent variable
b)
independent variable
c)
data
d)
control group
7.
Things that stay the same throughout the whole experiment are called
a)
controls
b)
dependent variables
c)
independent variables
d)
constants/controlled variables
8.
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
9.
An experiment is conducted to test which kind of cat food a cat likes best. The amount of food the cat eats is recorded and four different type of food are tested. What is the dependent variable?
a)
The cat food
b)
The cat
c)
The amount of food the cat eats.
d)
The bowl the cat ate out of.
10.
Which instrument is used for precise measurements of liquids?
a)
graduated cylinder
b)
measuring cup
c)
beaker
d)
beaker
11.
Trina wanted to find out which of her two rubber balls could bounce the highest. She took the first ball and dropped it onto the cement sidewalk. She then dropped the second ball from the same height on the grass. She recorded how high each ball bounced. Her experiment could be improved by
a)
measuring the time it takes for each ball to reach its maximum height
b)
bouncing both balls on the same surface
c)
dropping the second ball from a higher position
d)
bouncing each ball a different number of times
12.
Students are growing plants in the dark or in the light to see which grows better. They put 3 seeds in the dark and 5 seeds in the light because they know seeds are more likely to dry out in the light.
How could this experiment be improved?
How could this experiment be improved?
a)
Put all plants in the light.
b)
Put all plants in the dark (where they sprout better)
c)
Put the same number of seeds in each container.
d)
put all the plants in the light so they grow better
13.
A student is testing how a magnet causes different objects to move, by seeing how far away the magnet could be from an object. The student tested three different magnetic objects, on five different surfaces, multiple times. The students also used a blue magnet, a yellow magnet, and a green magnet. What did the students do wrong in testing their experiment?
a)
They didn't repeat their experiment a couple of times.
b)
They only had two things that were changing.
c)
They forgot to test something that was non-magnetic
d)
They had too many variables
14.
Students put two plants in the sun. Plant A is in the sun for 10 minutes. Plant B is in the sun for 1 hr. Students decide that plant B is better at photosynthesis. This is wrong because...
a)
They didn't control all variables
b)
The independent variable was sunlight
c)
The dependent variable was amount of gas produced
d)
they used different amounts of water
15.
Observations made during an experiment are called:
a)
data
b)
problems
c)
conclusions
d)
questions
16.
When you use observations and prior knowledge to draw conclusion or make guesses is called a(n)______________.
a)
Observation
b)
Inference
c)
Conclusion
d)
Classify
17.
Which statement is an inference about this picture?
a)
The van is tan.
b)
The van ran into KFC.
c)
The driver was not paying attention to the road.
d)
An ambulance is at KFC.
18.
Which word best describes the statement: Andy has a green lunch box.
a)
Observation
b)
Prediction
c)
Inference
d)
Classifying
19.
When you are using 1 or more of your 5 senses, you are making a(n) ______________.
a)
Classification
b)
Observation
c)
Prediction
d)
Conclusion
20.
Make a claim according to the graph about how far does the person travel in the first 5 seconds?
a)
2 m
b)
10 m
c)
0 m
d)
5 m
21.
What label is along the y-axis in this graph?
a)
Copyright 2007
b)
Lines
c)
Age in Years
d)
Number of Teens
22.
Factors that are not being tested and are kept the same
a)
Controlled variables
b)
Inference
c)
Quantitative observation
23.
Eiko is doing an experiment to determine the best fertilization plan for bean plants. She will test 4 plants using this schedule. Plant Fertilization Schedule A never B monthly C weekly D daily
Which plant is the control?
Which plant is the control?
a)
Plant A
b)
Plant B
c)
Plant C
d)
Plant D
24.
Martin is doing an experiment to see the way plants grow without soil. He is growing the plants in different solutions of water and nutrients. In this experiment, what is a plant that gets no nutrients called?
a)
condition
b)
control
c)
mixture
d)
variable
25.
Zack is testing whether temperature affects the distance a rubber band can be stretched before it breaks. He heats some rubber bands in the microwave oven. He puts some on the kitchen counter. He puts some in the refrigerator and some in the freezer.
Which set-up is the control group?
Which set-up is the control group?
a)
rubber bands on the counter
b)
temperatures of the rubber bands
c)
distance the rubber bands can stretch
d)
number of rubber bands in each group
26.
What is a dependent variable?
a)
The variable you measure
b)
The variable you test or change
c)
The variable that is kept the same
27.
Which statement best states the importance of using control groups?
a)
Control groups allow comparison between subjects receiving a treatment and those receiving no treatment.
b)
Control groups eliminate the need for large sample sizes, reducing the number of measurements needed.
c)
Control groups eliminate the need for statistical tests and simplify calculations.
d)
Control groups provide a method by which statistical variability can be reduced.
28.
What is the group in an experiment that receives treatment with the independent variable?
a)
control group
b)
experimental group
29.
You are measuring the temperature outside for your science class, the temperature is 96 degrees. What claim can you make about what month you predict it is?
a)
September
b)
July
c)
May
d)
December
30.
Which claim accurately represents the graph?
a)
$100 is earned for each hour worked
b)
$100 is earned for every 2 hours worked
c)
$500 is earned for every 8 hours worked
d)
$200 is earned for every 3 hours worked
31.
What is the height of the water in the aquarium after 1 minute?
a)
30
b)
5 cm
c)
10 cm
32.
Which time interval did the water increase the MOST?
a)
Between 0 and 2 seconds
b)
Between 3 and 5 seconds
100 %
