Where are stars that are both dim and cool found on the H-R Diagram?

What two characteristics are used to plot stars on an H-R Diagram?

Giant clouds of dust and gas in space are called --

The light-year is a unit used to measure _______ in space

If a star located 33 light-years away from earth stops giving off light energy at this very moment. How long will it be before we know?

What part of the wave is represented by letter A?

What part of the wave is represented by letter B?

What part of the wave is represented by the letter C?

What part of the wave is represented by letter D?

Which of the waves shown has the greatest energy?

Which of the waves shown has the largest wavelength?

Which electromagnetic waves can humans see?

Which of the following types of electromagnetic waves has the smallest wavelength?

Which of the following would be best for labeling the arrow in the diagram?

If the diagram above represents the visible light spectrum, which area best represents blue-violet?

What type of galaxy is pictured?

What type of galaxy is pictured?

What type of galaxy is pictured?

True or False: The hottest stars are red in color

True or False: All stars are alike.

Magnitude refers to a star's

A star's life would follow which sequence?

Which category of stars on the H-R Diagram are cool but bright?

Which category of stars on the H-R Diagram show that as temperature increases so dow the brightness?

What characteristic determines the lifespan of a star?

Which of the following correctly sequences the terms in order of smallest to largest?

Which star is hotter, Polaris or Vega?

Which star is brighter than the Sun and cooler than Deneb?

What color is Vega?

By looking at the color of a star, astronomers can tell the -

What causes this: New crust is formed at places called mid-ocean ridges?

What does this create: Two continental plates collide (converge) and one is pushed upward.

Cause: Transform plates slip past one another. What is the effect?

Cause: Continental plates move apart from each other (diverge)

At which boundary does a trench form?

At what type of boundary will a rift zone form?

At which boundary does an oceanic ridge form?

At which plate boundary would an underwater mountain range form?

At what type of plate boundary would a mountain range on land be created?

What type of boundary is this?

Areas where plates move toward each other and collide, causing uplift are called ___________

Areas where plates move away from each other, forming either mid-ocean ridges or rift valleys are called _________.

What type of boundary is this

Areas where plates grind past each other resulting in faults such as the San Andreas are called ______________

What type of boundary is this?

What is the name of the area where one plates slides beneath another plate?

Which type of crust is more dense?

Which type of crust is thicker?

Where would the most recently formed crust of the Earth be found at which plate boundary?

What is the name of the cycle in which heated material rises and cooler material sinks?

The Northern Hemisphere is having summer at Position --

Earth's motion of spinning on its axis is called

Earth's motion of traveling around the Sun is called

It takes the Earth _____________ (length of time) to travel from Position A to Postition C.

One rotation takes _______________

One revolution takes ________________.

Our Earth has seasons because ______________

People living in the Northern Hemisphere have the longest periods of daylight at position ______

At position D, the Sun's most direct rays are hitting the _____________ on Earth.

___________ degrees is the angle of the Earth's tilt on its axis

Which letter is pointing to the side of the Earth that is experiencing day?

Where does the Sun belong in this diagram?

The days when Earth is most tilted toward the Sun, June 21 and December 21 are called

The days when Earth is not tilted toward or away from the Sun are called ____________

In what position would a new moon be visible?

In what position would a third or last quarter moon be visible?

In what position would a waxing gibbous moon be visible?

The phase of the lunar cycle following a new moon would be _________

The moon revolves around the Earth in a ________________ direction

True or False: A full moon occurs approximately three weeks after a new moon.

How many days occur between a new moon and a first quarter moon?

A spring tide is most likely to occur during which moon phases?

What position will be moon be at when high tides are lower than normal and low tides are higher than normal?