WorksheetsRock and Soil Review
Total questions: 20
Worksheet time: 20mins
Which word means a scientist who studies Earth and rocks?
Geologist
Weathering
Mixture
Silt
What is the process called when rocks break apart over time and become smaller and smaller?
Screening
Weathering
Properties
Humus
Which term means two or more things mixed together?
Silt
Mixture
Soil
Geologist
Which word describes bits of dead plant and animal parts in the soil?
Humus
Gravel
Cobble
Screen
Which tool is used to separate rocks by size?
Hammer
Magnifying glass
Screen
Scale
Soil is best described as which of the following?
Just tiny rocks
A mixture of sand, silt, gravel, pebbles, and humus
Only dead plants
Only water and air
Which word means rocks that are smaller than sand but bigger than clay?
Pebbles
Silt
Gravel
Boulder
Which word tells something you can observe about an object, such as size, color, shape, texture, or odor?
Weathering
Mixture
Properties
Humus
What is one property that describes this rock?
Rough texture
Full of holes
Smooth surface
Very sharp edges
What is one property that describes this rock?
Smooth
Brown
Sharp Edges
Which set shows rocks in order from smallest to largest?
Sand, Pebbles, Gravel, Cobbles, Boulder
Pebbles, Sand, Gravel, Cobbles, Boulder
Sand, Gravel, Pebbles, Cobbles, Boulder
Pebbles, Gravel, Sand, Cobbles, Boulder
In a jar with soil and water that has settled into layers, which material would most likely be at the very bottom?
Humus
Sand and small particles
Water
Large gravel and pebbles
Which layer in the soil jar would float near the top because it is light and comes from dead plants and animals?
Gravel
Humus
Sand
Pebbles
Where can rocks be found? Choose the best answer.
Only at the beach
Only on mountains
In many places on Earth, like ground, rivers, and mountains
Only in caves
What is weathering?
When rocks melt into lava
When rocks break apart over time and become smaller
When soil gets wet
When plants grow on rocks
Which list best shows what soil is made of?
Only sand and water
Sand, silt, gravel, pebbles, and humus
Only small pebbles
Clay and metal
How does a mountain change into sand over a long time? Choose the best explanation.
It turns into water first
Weathering breaks rock into smaller and smaller pieces until it becomes sand
Plants eat the rock and make sand
The wind blows the mountain away in one day
Which is a helpful way humus helps plants grow?
Humus gives food to plants and helps soil hold water
Humus makes rocks harder
Humus turns into metal
Humus freezes the soil
If you wanted to sort a mixture of pebbles, sand, and gravel by size, which tool and method would work best?
Use a magnet to pull out sand
Use screens to separate the materials by size
Stir with a stick
Heat the mixture in the sun
