8th Grade: Semester 1 Review

Old oceanic crust is more dense than new oceanic crust because it is

A fossil formed when minerals replace all or part of an organism is called a

A group of parts that work together is called a

The transfer of energy through empty space is called

The point beneath Earth's surface where rock breaks and triggers an earthquake is called the

Holes drilled several km into Earth's crust give evidence about Earth's interior in the form of

The time it takes for half of the radioactive atoms in a sample to decay is the element's

Mass and weight are different because

Which type of stress force causes normal faulting?

What is the age of an igneous intrusion compared to the sedimentary rock layers it cut through?

Geological theory that states that pieces of Earth's lithosphere are in constant slow motion

In which location would you most likely find volcanoes?

What technology did scientists use in the MID-1900's to map the mid-ocean ridge?

Radioactive decay occurs when atoms of the some elements

A place where two plates slip past each other, moving in opposite directions is known as a

Which type of stress causes strike-slip faulting?

The rating system that estimates the TOTAL ENERGY released by an earthquake is called the

The closeness of a measurement to its true value is its

The type of seismic wave that arrives at the surface first are

Using data from seismic waves, geologists have learned that Earth's interior is made of several

A force that acts on rock to change its shape or volume is called

Compared to P waves and S waves, surface waves move

Geologist use radioactive dating to

S waves are also known as

You measure a string 39 cm string 3 times get 34 cm, 34.1 cm, and 34.2 cm. The measurements are

Which of the following can cause damage days or months after a large earthquake?

Earth's inner core is

A rift valley forms at a

To calculate the density of an object, you would

Earth's earliest atmosphere lacked which gas that is necessary for life as we know it?

Heat transfer within a fluid takes place by

Particles of hot soup rising slowly in a pot on a stove demonstrates:

To determine how close to true value an experimental value is, you would use

What is Pangaea?

A collision between two pieces of continental crust as a converging boundary produces a

Which of Earth's layers is the thickest?

A fold in rock that bends upward into an ARCH is called a(n)

Most geologists think that the movement of Earth's plates is caused by

Radioactive dating works bets with what type of rocks?

A place where two plates come together is known as a

According to Wegener's hypothesis of continental drift:

Which part of Earth contains most of its mass?

Which part of the Earth contains plates?

The amount of space an object takes up is its

Which type of stress force produces reverse faults

What is the correct order (starting from the surface) of Earth's layers?

Which form of heat transfer takes place when you touch a hot stove?

A line graph in which the date points do not fall along a straight line is called

A large area of flat land elevated high above sea level is called a

Before lava reaches the surface, the molten material is called

If scientists cannot obtain exact numbers, they should rely on a(n)

The relative age of a rock is

Earth's atmosphere, oceans, and continents began to form during 

What are fossils?

Water vapor is water in the form of

If a shoe box measures 2 cm high, 2 cm wide, and 2 cm long, what is its volume?