Inquiry Activity

Name: ______Date: ______

Inquiry Activity

Research Question: When force is applied, do solid and liquid materials have an effect on minerals?

Hypothesis (prediction): I think / don’t think that ……. because…….

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Materials: Variables: 1 plastic jar with lid Independent (manipulated) variable 4 chalk pieces (represents the mineral) ______8 rocks 1 stopwatch Dependent (responding) variable(s) 150 ml of water ______

Procedure:

1. Place the chalk pieces and the rocks inside the plastic jar and put the lid on the jar.

2. Shake the jar for 1 minute.

3. Record your observations on the Results Table.

4. Shake the jar for 2 minutes more.

5. Record your observations on the Results Table (3 minutes).

6. Shake the jar for 2 minutes more.

7. Record your observations on the Results Table (5 minutes).

8. Empty the jar. Fill it with 150 ml of water.

9. Repeat steps 2-6. Results:

Chalk and rocks Time Describe what you see happening Draw what you see happening

1 minute

3 minutes

5 minutes

Chalk, rocks and water

1 minute

3 minutes

5 minutes Explanation:

1. How did the mineral change after being shaken with rocks for 1 minute? for 3 more minutes? What caused the mineral to change? ______

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2. Compared to shaking the chalk with only rocks, what effect did shaking chalk with both rocks and water have on the chalk? What caused the effect? ______

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3. Was your hypothesis correct or incorrect? Support your answer with data collected. ______

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4. Do solid and liquid materials have an effect on minerals? If so, what kind of an effect? (Make inferences based on your observations)

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5. Were there any problems with this investigation or things you would do differently next time? ______

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