In a test to find the temperature at which beans sprout fastest, the experimental variable is

The temperature at which each bean is kept

Which of the following is a testable hypothesis?

A plant needs at least 5 hours of sunlight per day to grow

Place the steps in sequence: Recognize a problem; Test a hypothesis; Draw inferences

Recognize a problem; Draw inferences; Test a hypothesis, Recognize a problem; Draw inferences; Test a hypothesis;

What's the difference between a hypothesis and a theory?

Theories have evidence to confirm them; hypotheses don't

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Scientific Method Brainpop!!

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Answers

1
What might cause a theory to change over time?
New but untestable ideas
The discovery of new evidence
Changes in public opinion
New laws passed by the government
2
In a test to find the temperature at which beans sprout fastest, the experimental variable is
The number of beans you plant .
The amount of water you give the beans
The temperature at which each bean is kept
The height of the sprouts you grow
3
Which of the following is a testable hypothesis?
Ice cream is delicious
A plant needs at least 5 hours of sunlight per day to grow
Humans will someday colonize Mars
Roses are more beautiful than violets
4
Evolution is an example of a theory. What can you conclude about this biological theory?
There is very little evidence to support it
No one is allowed to test whether it's true or not
Scientists don't need to test it anymore
It's been tested many times
5
What must you do before you make a hypothesis?
Draw conclusions
Make observations
Form a theory
Run an experiment
6
Place the steps in sequence: Recognize a problem; Test a hypothesis; Draw inferences
Test a hypothesis; Draw inferences; Recognize a problem;
Recognize a problem; Draw inferences; Test a hypothesis
Recognize a problem; Test a hypothesis; Draw inferences
Recognize a problem; Draw inferences; Test a hypothesis;
7
What happens if you test a hypothesis and the data doesn't support your prediction?
Conclude that your hypothesis cannot be proven
Run the experiment again until you get the results you want
Re-think your hypothesis
Change the data to support your prediction
8
What's the difference between a hypothesis and a theory?
A theory contains many hypotheses
"Theory" means "fact;" "hypothesis" means "guess"
Hypotheses can't be proven; theories can
Theories have evidence to confirm them; hypotheses don't

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