WorksheetsNOS Quiz Review
Total questions: 43
Worksheet time: 1hrs 24mins
Sabrina wants to test which brand of popcorn pops the most kernels. She picked a Giant Eagle brand, Orville Redenbacher, and PopSecret. All three bags started with the same number of kernels. She popped each for 3 minutes in the same microwave, and then counted the number of kernels left over. What is her independent variable?
Number of kernels left over
Brand of popcorn
Number of kernels before popping
Length of time cooking
Kira wants to test which type of soda creates the biggest foam explosion when adding a Mentos candy. She chose Sprite, Coke, and Mountain Dew. One at a time, she added a single Mentos candy and measured the height of the foam eruption. Mountain Dew created a foam eruption of 7 inches. Coke and Sprite tied at 5 inches. What is her dependent variable?
Brand of soda
Number of mentos candies used
Height of foam eruption
Temperature of soda
Which of the following is a quantitative observation?
The bird is very colorful.
The bird has four different colors.
The bird has many, many feathers.
It is a bird.
Which of the following is a qualitative observation about this image?
There are 10 mini trees in the picture.
There are two colored bushes in the picture.
There is one power line going across in the air.
There is art created from trees in this photo.
What is the first step in the scientific method?
Make an observation
Design and conduct an experiment
Make a hypothesis
Share your results
Following the scientific method, which step comes after Ask a Question?
Record your results
Design and perform an experiment
Form a hypothesis
Share your results
An experiment is performed on plants to see how different liquids affect plant growth. Each plant in the experiment is given a different liquid; water, apple juice, or milk. Each plant has the same amount of soil, sunlight, and listens to the same music. In this investigation, which of the following is NOT one of the experimental constants?
Type of liquid
Type of plant
Amount of music
Sunlight
An experiment is performed on plants to see how different liquids affect plant growth. Each plant in the experiment is given a different liquid; water, apple juice, or milk. Each plant has the same amount of soil, sunlight, and listens to the same music. In this investigation, what is the independent variable?
Type of plant
Amount of sunlight
Type of music
Type of liquid
**THIS QUESTION HAS MULTIPLE ANSWERS**
Select all of the answers that fall under the following category:
ways to tell whether or not a source of information is reliable
Examining the source for an author name and date
Examining the source for citations
Looking over the information and deciding whether or not you agree with it
Checking whether the source is primary or secondary
Examining the site's URL for .edu and .gov
What is the formal name for the series of steps used by scientists to solve a problem or answer a question?
scientific method
method of experimentation
data collection
explanation
What is peer review?
Sharing the results of your experiment with others so they can examine and validate your conclusion
Asking your friends for help conducting an experiment
Polling random people to see if they agree with your experiment or not
None of the above
The table below summarizes the effect of commercial fishing on a local Atlantic cod population over an 9-year period. Based on the data in the table, which conclusion is valid?
The number of fishing boats has les effect on the local cod population than pollution
More fishing boats make the cod population estimates more accurate
An increase in fishing boats has had a negative impact on cod population growth
An increase in fishing boats has had a positive impact on cod population growth
SpongeBob noticed that his favorite pants were not as clean as they used to be. His friend Sandy told him that he should try using Clean-O detergent, a new laundry soap she found at Sail-Mart. SpongeBob made sure to wash one pair of pants in plain water and another pair in water with the Clean-O detergent. After washing both pairs of pants a total of three times, the pants washed in the Clean–O detergent did not appear to be any cleaner that the pants washed in plain water. What is the control in this experiment?
Type of detergent
Pants washed in Clean-O detergent
Pants washed in plain water
Water
What is a hypothesis?
Another name for a disproved theory or law
An assumption based on little or no facts
An educated guess supported by scientific reasoning
A statement that is always correct
**THIS QUESTION HAS MULTIPLE ANSWERS**
Select all of the answers that fall under the following category:
steps of the scientific method
Ask a question
Form a theory
Consult an expert
Analyze the data
Form a hypothesis
This variable is the one thing that changed on purpose...
Dependent Variable
Control
Independent Variable
A student wants to test the hypothesis of "If salt is added to water then the boiling point of water will decrease (go down)." What is the independent variable?
Whether salt is added or not
Boiling Point
Amount of water
Research Question: Does the type of gasoline put in a car affect how fast the car can drive.
What is the independent variable?
Type of gasoline
which car the gas is put into
how fast the car can drive
how much gas is put into the car
In a line graph you will find the independent variable on .... axis and the dependent variable on .... axis
x , y
y, x
they can be switched
How many independent variables should you have in an experiment?
two
as many as possible
four
one
This part of the experiment serves as a basis of comparison; the group that does not receive the independent variable.
constant
control group
experimental group
hypothesis
An experiment is performed on plants to see how different liquids affect plant growth. Each plant in the experiment is given a different liquid: water, apple juice, or milk. What should be kept constant?
What is the independent variable on this graph?
Number of push ups
Days
In an experiment to find out how the temperature affects the bounce height of a ball, the dependent variable is ...
The one variable in an experiment that is purposely changed and tested by the scientist is the________________.
dependent variable
independent variable
data
control group
Research Question: Does the type of gasoline put in a car affect how fast the car can drive.
What is the independent variable?
Type of gasoline
which car the gas is put into
how fast the car can drive
how much gas is put into the car
In a line graph you will find the independent variable on .... axis and the dependent variable on .... axis
x , y
y, x
they can be switched
How many independent variables should you have in an experiment?
two
as many as possible
four
one
This part of the experiment serves as a basis of comparison; the group that does not receive the independent variable.
constant
control group
experimental group
hypothesis
An experiment is performed on plants to see how different liquids affect plant growth. Each plant in the experiment is given a different liquid: water, apple juice, or milk. What should be kept constant?
This is the group that is affected by the variable or the group that is changed.
Control Group
Experimental Group
Changed Group
Cool Group
If I floss more, then I will have fewer cavities. What is the independent variable?
Number of cavities
Amount of flossing
Type of floss used
Amount of brushing
What is the independent variable on this graph?
Number of push ups
Days
During which month did Sam have a weight of 73 Kg?
January
February
May
March
What is the independent variable?
Months
Temperature
Highs
Lows
