<p>Name: ______Date: ______</p><p>Inquiry Activity</p><p>Research Question: When force is applied, do solid and liquid materials have an effect on minerals? </p><p>Hypothesis (prediction): I think / don’t think that ……. because……. </p><p>______</p><p>______</p><p>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 ______</p><p>Procedure:</p><p>1. Place the chalk pieces and the rocks inside the plastic jar and put the lid on the jar.</p><p>2. Shake the jar for 1 minute.</p><p>3. Record your observations on the Results Table.</p><p>4. Shake the jar for 2 minutes more.</p><p>5. Record your observations on the Results Table (3 minutes).</p><p>6. Shake the jar for 2 minutes more.</p><p>7. Record your observations on the Results Table (5 minutes).</p><p>8. Empty the jar. Fill it with 150 ml of water.</p><p>9. Repeat steps 2-6. Results:</p><p>Chalk and rocks Time Describe what you see happening Draw what you see happening</p><p>1 minute</p><p>3 minutes</p><p>5 minutes</p><p>Chalk, rocks and water</p><p>1 minute</p><p>3 minutes</p><p>5 minutes Explanation:</p><p>1. How did the mineral change after being shaken with rocks for 1 minute? for 3 more minutes? What caused the mineral to change? ______</p><p>______</p><p>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? ______</p><p>______</p><p>3. Was your hypothesis correct or incorrect? Support your answer with data collected. ______</p><p>______</p><p>______</p><p>4. Do solid and liquid materials have an effect on minerals? If so, what kind of an effect? (Make inferences based on your observations)</p><p>______</p><p>______</p><p>______</p><p>5. Were there any problems with this investigation or things you would do differently next time? ______</p><p>______</p><p>______</p>