How are sedimentary rocks formed?
a. cooling magma
b. Erosion of rocks
c. heat and pressure
d. compaction and cementation
d. compaction and cementation
100
What is the thinnest layer of the Earth?
Crust
100
What occurs when Earth's plates separate and new crust is created by magma pushing up from the mantle?
a. sliding boundaries
b. divergent boundaries
c. sloping boundaries
d. convergent boundaries
b. divergent boundaries
100
The breaking down of all rock is called-
weathering
100
Which of the following is a hypothesis?
a. Sunsets make the sky a nice color.
b. Dogs are better pets than cats.
c. Drivers on cell phones have more car accidents.
d. Bread tastes better when it is toasted.
c. Drivers on cell phones have more car accidents.
200
What type of rock is where fossils are most likely found?
a. igneous
b. metamorphic
c. sedimentary
d. magma
c. sedimentary
200
Which layer of the Earth is made of solid iron and nickel and is the hottest layer?
inner core
200
What type of boundary is the collision of plates that formed the Himalayas and the Rocky Mountains?
Convergent boundary
200
The removal of soil and rock from the Earth's surface is called-
erosion
200
What is an independent variable
a. something that changes during an investigation
b. something that does not change during an investigation
c. an idea that is tested
d. an answer to a question
a. something that changes during an investigation
300
Lava forms to form what type of rock?
Igneous Rock
300
What layer of the Earth is located just below the crust?
mantle
300
What occurs when two plates slide against each other in opposite directions?
sliding boundaries
300
Which of the following actions can be used to prevent soil erosion?
a. raising grazing animals
b. spraying with water
c. planting grass
d. digging ditches
c. planting grass
300
Which measurement tool would you use to measure liquid volume?
a. balance
b. scales
c. graduated cylinder
d. stopwatch
c. graduated cylinder
400
What type of rock is formed by heat and pressure?
Metamorphic Rock
400
Name in order from outermost to innermost the layers of the Earth.
crust, mantle, outer core, inner core
400
When two plates converge they move upward, and over time they form-
a. rivers
b. mountains
c. plates
d. earthquakes
mountains
400
Which of these is most likely to have a positive impact on the enviroment?
a. constructing highways
b. building factories
c. expanding neighborhoods
d. creating nature preserves
d. creating nature preserves
400
Scientists could use fossilized footprints to
a. infer how big an animal was
b. guess what the animal ate
c. infer the color of the animal
d. tell if the animal had fur
a. infer how big the animal was
500
The never ending cycle in which rocks change from one form to another is called the-
Rock Cycle
500
Which of these best describes the relationship between Earth's layers?
a. The hottest layers are closest to the core.
b. The more liquid layers are closest to the crust.
c. The lightest layers are closest to the core.
d. The more metallic layers are closest to the crust.
a. The hottest layers are closest to the core.
500
Briefly describe the three types of boundaries.
convergent- plates collide or move toward eachother
divergent- plates divide or separate
sliding- plates slide past each other
500
Explain weathering and erosion.
Weathering is the breaking down of rock and erosion carries it away.
500
Explain the difference between a control variable and an independent variable.
The control variable stays the same, and the independent variable changes.