( I have this portfolio and I’m confused so please help me with the chart)
4TH GRADE
Predict what would happen to the soil in a heavy rainstorm. Record your predictions in the chart below. Materials: soil, planter box, rocks, twigs, wooden blocks, water, watering can, plastic tablecloth, 2 or 3 books, cookie tray.
step 3
Step| prediction| what I observed|
no wall or barrier.
(Write the steps, prediction and what u obeserved.
step 5
Wall near top
(Write the steps, prediction, and what u observed
step 6
barrier near bottom
(Write the steps, prediction, what u observed.
4
Use watering can to pour water At the high end of the box, record what happens.
Review your results. Do they support your hypothesis?
Explain.
Can anything be done to prevent or ease the damage caused by land slides? Use your results to explain your answer.
What do you think would happen if you placed the barrier near top of the hill. What if one barrier were at top and one were at the bottom? What if every house had fence around it? Write a hypothesis for one of these ideas or forms your own.
Design an experiment to test your hypothesis. Remember to record your observations, run several tests and draw conclusions from your results.