review 7th grade

Multiple Choice

How is the rock cycle like recycling?

• It transforms existing material into new material.

• It depends on humans to do most of the work.

• It takes place on the planet Earth.

• It requires weather and factories for completion.

Multiple Choice

What do you need in order for igneous rock to form?

• A volcano

• A mountain

• A glacier

• A canyon

Multiple Choice

Magma erupts from a volcano and cools quickly on the Earth's surface to form

• extrusive igneous rock

• intrusive igneous rock

Multiple Choice

Magma that cools slowly underneath Earth's surface hardens into

• extrusive igneous rock

• intrusive igneous rock

Multiple Choice

The processes by which igneous rocks are formed are _?_.

• heat and pressure

• melting and cooling

• compaction and cementation

Multiple Choice

The series of processes in which rock changes from one type to another.

• metamorphic rock

• sedimentary rock

• igneous rock

• rock cycle

Multiple Choice

The hypothesis that states that the continents once formed a single landmass, broke up, and drifted to their present locations

• Pangaea Theory

• Continential Drift

• Continental Drift

• Continent Motion

Multiple Choice

Earth's outer layer is broken up into...

• Bowls

• Continents

• Rocks

• Plates

Multiple Choice

An oceanic trench is caused by what kind of plate boundary?

• Divergent

• Convergent

• Transform

Multiple Choice

What type of plate boundary is this?

• Divergent

• Convergent

• Transform

Multiple Choice

Which model best shows how heat from inside of Earth reaches the surface of Earth?

Multiple Choice

is tectonic plates....

• a theory

• brief

• opinon

• truth

Multiple Choice

True or False.
The deeper you go into the earth, the greater the pressure. 

• True

• False

Multiple Choice

Which is the earths crust?

• A

• B

• C

• D

Multiple Choice

Which layer is the Earth's Mantle?

• A

• B

• C

• D

Multiple Choice

Which layer is the Earth's Outer Core?

• A

• B

• C

• D

Multiple Choice

Which layer is Earth's Inner Core?

• A

• B

• C

• D

Multiple Choice

A well-substantiated explanation of some aspect of the natural world that can incorporate facts, laws, inferences, and tested hypotheses.

• Fact

• Theory

• Law

• Conclusion

Multiple Choice

A scientific ____________ is a statement that describes what always happens under certain conditions in nature.

• law

• theory

• method

• variable

Multiple Choice

Laws are usually mathematically defined.

• True

• False

Multiple Choice

Explains something we see in the natural world that has been verified through repeated experiments or testing.

• hypothesis

• law

• theory

Multiple Choice

A ___ is observed and describes in the natural world what appears to always be true.

• hypothesis

• theory

• law

Multiple Choice

According to the law of superposition, the oldest fossils are found 

• At the top of the rock layers

• Near the bottom of the rock layers

• In the middle of the rock layers

• Somewhat near the surface

Multiple Choice

Which of these rock layers is relatively the newest?

• Kaibab formation

• Zoraster Granite

• Redwall limestone

• Unkar group

Multiple Choice

Earth elements decay and change into another element in a process called_____________.

• radiation

• isotope

• radioactive decay

• half-life

Multiple Choice

The __________of rocks is the numerical age and real age of rocks.

• relative age

• half-life

• absolute age

• earth age

Multiple Choice

Geologist use _________ to determine the absolute age of rocks.

• absolute age dating

• relative age dating

• radiation dating

• radioactive dating

Multiple Choice

Principle that states in a sequence of undisturbed rocks, the oldest rocks are on the bottom and the rocks become progressively younger toward the top 

• superposition 

• uniformitarianism

• half-life

Multiple Choice

Gaps in rock records made when agents of erosion remove existing rock layers 

• fossils

• unconformities

• permineralized remains

Multiple Choice

The length of time required for half of the radioactive atoms in a sample to decay is its...

• era

• age

• half-life

• eon

Multiple Choice

Object A is 25 degrees Celsius and mixes with object B that is 15 degrees Celsius, what is the direction of heat flow?

• heat flows from B to A

• cold flows from B to A

• heat flows from A to B

• cold flows from A to B

Multiple Choice

The way the heat is moving from the hot coffee is called...

• convection

• radiation

• insulation

• conduction

Multiple Choice

The Gulf Stream is a current that brings warm ocean water from the south to the north. What type of heat transfer is this?

• conduction

• convection

• radiation

• Insolation 

Multiple Choice

Lilly was trying to explain to her friend the difference between a theory and a law in science. She used the theory of plate tectonics and the law of superposition as examples. Lilli explained the difference by using non-scientific language. Which statement could Lilly use to correctly describe the difference between a theory and a law in science?

• A theory describes a natural event, while a law explains it.

• A theory explains a natural event, while a law predicts it.

• A theory explains a natural event, while a law describes it.

• A theory predicts a natural event, while a law explains it.

Multiple Choice

Which of the following is a characteristic of all scientific theories?

• Theories explain why something happens.

• Theories explain the order of events in history.

• Theories never change.

• Theories are always based on models.