True or False: Rocks and minerals are the same things.
What is false?
100
What is it called when water moves small particles of rock or soil?
What is erosion?
100
What process breaks the rocks into smaller pieces?
What is weathering?
100
Which layer of soil is made up of clay, sand, rocks, and other agents?
What is subsoil?
200
Which kind of rock is formed when sand and little pieces of shells are pressed and cemented together?
What is sedimentary?
200
A rock has been changed by heat and pressure. It has wavy folds. What type of rock is it?
What is metamorphic?
200
Which of the following would stop the erosion of a hill?
A: planting grass on a hill
B: letting sheep eat all the plants
C: plowing up and down the hill
D: Watering for hours each day
What is A?
200
What is left after rocks have been weathered for several years?
What is sand?
200
Juan pours water into a cup of soil. He sees air bubbles coming up through the water. Where have the air bubbles come from?
What is the soil?
300
Which one of the following is a characteristic of a rock?
A: made of different minerals
B: made of one mineral
C: not made of minerals
D: made of mineral oil
What is A?
300
A fourth grade class observes rocks. One sample feels rough and grainy. It has a plant fossil. Which type of rock is it?
What is sedimentary?
300
What general direction does erosion move Earth materials?
What is downward?
300
What is the difference between weathering and erosion?
What is erosion moves the soil and rocks and weathering breaks them down?
300
What is soil mostly composed of?
A: living things
B: water
C: air
D: rock pieces
What is D?
400
Sandstone, shale, limestone, and conglomerate are common rocks in Utah. They form colorful rock formations and canyons. What type of rocks are they?
What is sedimentary?
400
True or False: When a colored rocks breaks down (erodes) it leaves colored sand?
What is true?
400
When is soil most likely to erode?
A: when it is deep
B: when it is very dry
C: when the plant cover is gone
D: at night or on cloudy days
What is C?
400
Give 3 examples of weathering agents?
What is ice, sun, rain, snow, wind, etc?
400
Topsoil is usually darker than subsoil. Why?
What is made up of foilage (organic matter)?
500
Obsidian, granite, and basalt are rocks formed from molten rock that has cooled and hardened. What kind of rocks are they?
What is igneous?
500
Which of the following describes the relationship between a rock and a mineral?
A: Rocks and minerals are the same things
B: Minerals are made up of rocks
C: Rocks are made of minerals
D: Rocks are pure substances; minerals are not
What is C?
500
Which of the following shoes that soil erosion has happened?
A: pavement is placed on the soil for a road
B: a forest of pine trees grows on the soil
C: the soil has deep gullies
D: the soil is deep and grows grass on top
What is B?
500
A piece of sand from a mountaintop is now on a beach near an ocean. What is this a result of?
What is erosion?
500
Which statement tells how plants break rocks?
A: Plants keep the sun from the rocks, causing them to dry up and crack.
B: The roots of the plants grow into rocks, breaking the rocks.
C: Plant leaves direct water onto rocks, causing them to crack.
D: Plants leaves cover the rocks, keeping them from the sun.