Investigation 1 i-Check_homeroom

Name

1a. Write a claim, based on the information included beneath picture a (Hoodoos in Goblin Valley State Park), describing the processes that caused these rocks to look the way they do now. Be sure to include evidence to support your claim. The Hoodoos in Goblin Valley State Park could have been created by

• a combination of water and ice because it is so dry and cold.
• a combination of water and ice because it sandy and dry.
• a combination of wind and sand because the description said it's dry and windy with sandy grounds..
• a combination of wind and sand because it's dry and the ground is sandy.

1b. Write a claim, based on the information included beneath picture a (Mountains in Scotland with lots of snow), describing the processes that caused these rocks to look the way they do now. Be sure to include evidence to support your claim. The mountain rock

• has been split by water since it often snows in the spring.
• has been split by water getting into the cracks and freezing since it often snows, melts, and freezes again.
• has been split because the ground is rocky
• has been split because the rocks expand in the rain

2a. A farmer wanted to plant new crops in a field. Before planting, the farmer wanted to know about the soil. The farmer dug up a shovel full of soil to examine. List the earth materials and other substances the farmer would likely find in the soil.

• air, water, worms, dirt
• dirt, worms, rocks, salt
• humus, soil, clay, pebbles
• humus, clay, silt, pebbles

2b. Mark the property that the farmer could use to identify the different earth materials (refer to question 2a).

• Shape
• Color
• Size
• Weight

2c. It was difficult for the farmer to see all the different materials in the soil. Which procedure could the farmer use to separate the different materials (refer to questions 2a and 2b)

• Put the soil in a jar and shake it. Then observe what you see.
• Add some water to some soil samples. Shake it, wait for the soil to settle, and observe what you see.
• Get a magnifying glass and observe what you see.
• Get a magnifying glass and draw conclusions about the different size materials you see.

4. Which type of weathering most likely caused the rock shapes you see in the picture below? (Mark the one best answer.)

• Tree roots
• Acid rain
• Freezing and thawing
• Sand blown by wind

5. An older man found a big split rock near his childhood home after being away for 60 yers. He was surprised, because when he was young it was one big rock. What likely caused the rock to split? (Mark the one best answer.)

• Chemicals in the rain made a tiny crack bigger.
• Tree roots grew from a seed in a crack and split the rock.
• Freezing and thawing of rain and now in a crack split the rocks.
• Wind blew into a tiny crack and made it bigger

6a. Soil is found in many different regions of the world. Mark which location most likely has soil with a lot of humus. (Mark the one best answer.)

• Forest
• Desert
• Mountain
• Beach

6b. Complete the following sentence: Humus is made mostly of ________

• plants and animals
• plants and worms
• animals and air
• dead plants and animals