Circle the rocks that will go through the screen. Put an X on all the rocks that will stay on top of the screen.
Required
1 point
1
Question 2
2.
Drag to sort the pictures of the different-sized rocks correctly.
Item 1
Item 2
Gravel
Pebble
Sand
Required
1 point
1
Question 3
3.
Observe the Investigation. Show what happens when you mix sand, silt, and water, and let it sit for a day by drawing and labeling what you would see in the vial the next day.
Required
1 point
1
Question 4
4.
Earth’s surface is always changing.
1. Draw a picture of an event that takes a long time to occur.
2. Write a sentence to describe that event.
Required
1 point
1
Question 5
5.
1. Draw a picture of an event that takes a short time to occur.