2nd Grade Earth Science - rocks and soil

Which does not hold water well?

What is rock? 

You observe some rocks. What can you do to record what you observe? 

Which tools help to observe rocks and soil

What kind of rock is granite?  It cooled from magma

Wind and water break up large rocks into smaller ones. 

You study a sample of soil. What is the best way to record your observations?

What do you call a scientist who studies rocks?

What kind of rock is sandstone?  Many bits of sediment were pressed and turned into solid rock.

Which senses do you use to observe the texture of rocks? 

Alicia thinks plants grow better in some soils than in others. How can she test her hypothesis?

Look at the pictures.  How can you sort these rocks? 

What does the plant get from the soil?

What is soil made of?

What kind of rock is marble?  It was limestone but was heated and squeezed until it changed.

Wind and water change the land by carrying rocks and soil to new places.  This is called?

Which is largest?

Look at the picture. How did Jake sort these rocks? 

Abdullah wants to compare this soil to another kind of soil. Which question should he ask?

What are once living things that are breaking down in the soil?