If you tested if a brand of cat food was causing cats to meow, it would be best to...

feed some with brand and other group with different food

What should be done if the data of an experiment does NOT support the hypothesis?

Report results exactly as they were observed.

Which of these is an example of proper lab safety?

Wearing safety goggles over your eyes.

Which question could be answered through scientific investigation?

Which factors affect plant growth?

Which of the following is a qualitative observation?

The smell of smoke is in the air.

Does the thickness of paper towels affect their absorption? What is the dependent variable?

Amount of moisture towel absorbs.

Why is it important to test only one variable at a time in an experiment?

Changing only one makes it possible to link changes.

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Scientific Method

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Questions 12

Answers

1
If you tested if a brand of cat food was causing cats to meow, it would be best to...
feed some with brand and other group with different food
mix together 2 different brands and record results
keep feeing cats with the brand of food and record result
let some cats drink water with the brand of food
2
What should be done if the data of an experiment does NOT support the hypothesis?
Report results exactly as they were observed.
Change the data to make it support the hypothesis.
Change the hypothesis to match the data
Repeat the experiment and then change the results.
3
Which of these is an example of proper lab safety?
Wearing safety goggles over your eyes.
Eating a snack in the lab.
Tasting a chemical to see if it is sweet or bitter.
Sweeping up broken glass so your teacher won't know.
4
Which question could be answered through scientific investigation?
Which makes a better pet, a dog or a cat?
Who is better, Duke or Carolina?
Which is more important, math or science?
Which factors affect plant growth?
5
Does the amount of sugar in soda affect behavior? What would be the independent variable?
the amount of caffeine
the behavior of students
the type of soda
the amount of sugar
6
The orderly process that scientists use to solve problems is called...
computerized method
scientific method
theoretical method
a hypothesis
7
You are testing the effect of light on the growth of a plant. What is the independent variable?
type of plant
soil type
amount of light
amount of water
8
Information you collect during an experiment is called...
graph
hypothesis
data
chart
9
Which of the following is a qualitative observation?
The fire was probably caused by lightning.
I hope the fire is not spreading in this direction.
The smell of smoke is in the air.
I bet Smokey the Bear is going to be real mad.
10
Does the thickness of paper towels affect their absorption? What is the dependent variable?
Brand of paper towel tested.
Amount of moisture towel absorbs.
Type of liquid used in experiment.
Thickness of paper towel tested.
11
Why is it important to test only one variable at a time in an experiment?
Changing only one eliminates the need for measurements.
Changing only one makes it possible to link changes.
Changing only one produces results that can't be trusted.
Changing only one variable prevents a response.
12
What should you do if you drop and break a beaker?
Get a broom and sweep up glass into a dustpan.
Push the broken glass aside with your feet.
Pick up the larger pieces of glass and throw them away.
Notify your teacher.

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