Science Unit 1 Exam Review

Science Unit 1 Exam Review

by Ms. Howard

Multiple Choice

Do Observations count as experiments?

• Yes

• No

​Observation

​An observation is a statement based on something you have seen, heard, or noticed.

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​It is what we actually see

Multiple Choice

What would count as an experiment?

• Throwing seeds randomly and seeing which grow

• Testing specific filters with dirty water

• Watching caterpillars morph

​Experiment

​An experiment is a scientific procedure used to make a discovery, test a hypothesis, or demonstrate a fact.

Multiple Choice

Which question is non-testable?

• How will the weight of a paper airplane effect the distance it travels?

• Does changing the wing shape affect the distance a paper airplane will fly?

• What happens when something freezes?

• How does the surface on which a car moves affect how fast it goes?

​Non-testable questions

​Non-testable questions are non-scientific and based on opinion

Multiple Choice

Which is a correct hypothesis?

• If there are a lot of leaves on the tree, then there will be more birds building nests in it, because there is more shade to protect the birds.

• IF you have better health, THEN you will exercise.

• Good grades are from studying.

• My dog can run 1 mile in 10 minutes.

Multiple Choice

They can't figure out the answer to the question.

• Inference

• Observation

​Types of observations

​Qualitative Observation - an observation that focuses on the characteristics and qualities of the variables. (ex: texture, color, descriptions)

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​Quantitative Observation - an observation made using measurements or tools, includes numbers.

Multiple Choice

There are four spacemen flying and one spaceman laying down in the picture

• Qualitative Observation

• Quantitative Observation

Multiple Choice

The variable that I change in an experiment is the?

• Dependent Variable

• Independent Variable

• Control Variable

Multiple Choice

If we are growing plants with different amounts of water, what is the dependent variable?

• The sun

• The plant growth

• The water

​Variables

​Independent Variable - The variable that I change

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​Dependent Variable - The variable being tested or measured

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​Control Variable - The variable that is kept the same

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Multiple Choice

This is a fluffy cat

• Quantitative Observation

• Qualitative Observation