Biology CAST Review

9th Grade Biology

The Scientific Method

Multiple Choice

What do scientists use as proof?

• Observation and Data

• Emotion and personal experience

• faith

• none of these

Multiple Choice

When doing research, one is gathering _____________ ______________ on the question they are answering.

• empirical evidence

• background information

• educated guess

• data

Multiple Choice

Which of these is NOT true about hypotheses

• It is testable

• It is an educated guess

• It can be proven false

• It is always true

Multiple Choice

One is testing fertilizers on tomato plants. In plant A, there is no fertilizer. In plant B, you are using one brand of fertilizer. In plant C, you are using a different fertilizer. Every week, the plants are measured to see which plant has grown the tallest.

Which is the independent variable?

• The plant

• The Fertilizer

• The height of each plant

• The unfertilized plant

Multiple Choice

One is testing fertilizers on tomato plants. In plant A, there is no fertilizer. In plant B, you are using one brand of fertilizer. In plant C, you are using a different fertilizer. Every week, the plants are measured to see which plant has grown the tallest.

Which is the dependent variable?

• The plant

• The Fertilizer

• The height of each plant

• The unfertilized plant

Multiple Choice

One is testing fertilizers on tomato plants. In plant A, there is no fertilizer. In plant B, you are using one brand of fertilizer. In plant C, you are using a different fertilizer. Every week, the plants are measured to see which plant has grown the tallest.

Which is the control?

• The plant

• The Fertilizer

• The height of each plant

• The unfertilized plant

Multiple Choice

Where would one talk about data or observations

• hypothesis

• research

• analysis

• conclusions

Multiple Select

What should you discuss in the conclusion (check all that apply)

• If the hypothesis is correct or wrong.

• Why was the hypothesis right or wrong?

• What further research could you do.