Unified Science Fall Exam

In a graph, the variable on the horizontal axis is the _____

A measurement standard is defined as _____

When you want to know exactly when and how long ago an event took place.

What are the 2 most abundant elements in a main sequence star?

At convergent boundaries, _____ are formed on the surface. 

An explanation of an event is based on repeated observations and experiments is a _____

The star's brightness is known as:

Newton's Law of Universal gravitation states:

A sudden movement or vibration of the ground that occurs when rock slip along a fault.

The point in the orbit of a planet which is furthest from the sun.

Orbit where the sun is the center.

Wegener:  that Earth's rotation, gravity from the Sun, moon, and _____ could move continents.

The oceans contains _____ percent of Earth's water? 

The measurement of how stretched out an ellipse is.

A factor that does not change in an experiment is the _____

Radioactive dating only works with what kind of rocks:

What is the most abundant element in Earth's crust?

A testable prediction is a(n) _____

Kepler's first law states:

Kepler's third law states:

Which of the following represents the longest time period?

A hardened layer of magma beneath Earth's surface.

The surface where new rock layers meet a much older rock surface beneath them.

The process combines lighter elements to produce energy within the Sun and stars.

The more that the spectral lines of a star shift toward the red end:

Geological process operate at the present are the same that have operated in the past

Undisturbed rock layers, the youngest rocks on top and the oldest rocks on bottom is: 

A blue shift of the light from a star indicates that the star:

Before the continents separated, the original land mass of the Earth was called _____

The number of years since a rock has formed.

As tectonic plates move past each other, ____ causes stress to build along faults.

The eccentricity of a straight line.

Figuring out how or why something is older or younger than something else is:

A contact between parallel sedimentary rock layers that records missing geologic time is:

The point in the orbit of a planet, at which it is closest to the sun.

The weaker, semi-solid, plastic-like layer beneath Earth's upper most layer.

A factor that changes in an experiment from manipulation of the independent variable is the ___

The amount of time it takes to orbit one full elliptical around the sun.

Orbit where the earth is the center

A planet would move:

The way to determine relative ages or rocks - the oldest on the bottom.

The boundary between two layers of material that have different densities.

The eccentricity of a circle

The explosion of a massive star near the end of its life is known as:

Anything cutting across a rock layer is younger than the rock it cuts through is:

The age of a rock compared with the age of other rocks.

What causes Earth's high and low tides?

The time it takes for a planet to make one complete spin on its axis.

Weight is:

What do scientist believe is the force behind the plate tectonics theory?

What color is the hottest star?

When a thick buoyant continental plate meets a thin, dense plate, what results:

If rock A cross-cuts rock B, the rock A is:

The type of graph that would be used to show how a fixed quantity is broken into parts

The Andes region in South America shows the results of _____

The curved path of a celestial object around the sun, planet or moon.

Kepler's second law of motion states that a line connecting a planet to the sun:

Absolute dating is:

An deformed sedimentary layer is ______ than the layer above and _____ then the layer below

The remainder of 48g of a substance after 2 half-lives.

An organized process used to gather observations and test a hypothesis is a(n) _____

What does the color of stars indicate?

Gaps in the rock record where erosion occurred or deposition was absent.

When designing an experiment, the first step it to _____

A crack in Earth's crust along which movement has taken place.