Before plants could grow on land, something had to form so roots could take hold. Which process made this possible?
Maya rubs dry soil between her fingers. It is made of tiny gritty pieces. What are these pieces mostly made of?
Decide if each statement about soil is true or false.
True | False | |
|---|---|---|
Some soils let water drain through faster than others. | ||
Soil gives plant roots something to grow into. | ||
Soil is a living thing. |
The picture shows the fossil of a fish. The fossil tells us that the fish…

Which event happens last when a fossil forms?
The table describes four rocks. Which picture shows pumice? Use the table.
