Astronomy part 1
Astronomy part 2
The Sun, Earth and the Moon
Density
Weathering, erosion, maps
100

Which of these statements best explains the shape of Earth 

A Because of its rotation about its axis, Earth has a greater circumference around the equator than around the Prime Meridian.

B Because of its revolution around the sun, Earth has a greater circumference around the equator than around the Prime Meridian.

C Because of its rotation about its axis, Earth has a greater circumference around the Prime Meridian than around the equator.

D Because of its revolution around the sun, Earth has a greater circumference around the Prime Meridian than around the equator

What is A Because of its rotation about its axis, Earth has a greater circumference around the equator than around the Prime Meridian?

100

What type of galaxy is the Milky Way

A spiral

B elliptical

C irregular

D oval

What is A spiral?

100

A sample of iron has the dimensions of 2 cm x 3 cm x 2 cm. If the mass of this rectangular-shaped object is 94 g, what is the density of iron 

A 0.128 g/cm3

B 7.83 g/cm3

C 1.28 g/cm3

D 13.4 g/cm3

What is B 7.83 g/cm3?

100

Landforms are created through destructive forces such as weathering. Which of these is an example of physical weathering 

A acid rain

B abrasion

C hydrolysis

D oxidation


What is B abrasion?

200

If the fission theory of moon formation is true, what is also true about the motion of Earth in its formative stages 


A Early Earth rotated on its axis much more slowly than it does today.

B Early Earth rotated on its axis much more quickly than it does today.

C Early Earth revolved around the Sun much more slowly than it does today.

D Early Earth revolved around the Sun much more quickly than it does today

What is B Early Earth rotated on its axis much more quickly than it does today?

200

Every day, the Moon rises a little more than a half an hour later than it rose the day before. Which statement BEST explains this phenomenon 


A Earth rotates on its axis as it revolves around the Sun.

B The Moon rotates and revolves around Earth at the same rate.

C One Earth rotation is faster than one Moon revolution around Earth.

D One Moon rotation is slower than one Moon revolution around Earth

What is C One Earth rotation is faster than one Moon revolution around the earth? 

200

How does the energy produced by the sun travel to Earth 

A by the magnetic fields between the sun and Earth

B by the convection of heat through particles in space

C by the radiation of electromagnetic waves through space

D by the process of conduction of heat between the sun and Earth

What is C by the radiation of electromagnetic waves through space?

200

You have a lead ball with a mass of 420 g. The density of lead is 10.5 g/cm3. What is the volume of the ball

A 0.025 cm3

B 4.41 cm3

C 40 cm3

D 4410 cm3


What is C 40cm3?

200

The diagram below shows the locations of several volcanic mountains on the big island of Hawaii.


Which two volcanic mountain summits are closest to 50 kilometers apart? 

A Hualalai and Kilauea

B Kilauea and Mauna Kea

C Mauna Kea and Kohala

D Mauna Loa and Kohala

What is B Kilauea and Mauna Kea?

300

he planet below is orbiting the Sun. The two sweeps are on opposite sides of the Sun and are labeled t. Though the orbital distance covered in each sweep is different, the time interval for each sweep is the same. Areas A and B are bounded by the arcs of the planet’s sweep in time, t, and the lines between the endpoints of the arc and the center of the Sun.


What is the relationship between Area A and Area B 

A Area A is 50% larger than Area B.

B Area A is 50% smaller than Area B.

C Area A is the same size as Area B.

D Area A is twice as big as Area B.

What is C Area A is the same size as Area B?

300

How does the latitude of a region affect its climate 


A by increasing the length of days throughout the year

B by increasing the amount of energy the land can absorb

C by determining the angle of sunlight throughout the year

D by determining the rate that tectonic plates can move

What is C by determining the angle of sunlight throughout the year?

300

The Sun and other stars are powered by nuclear fusion. Which of these statements correctly describes one of the processes that occur during nuclear fusion in stars? 


A Four hydrogen nuclei combine to become a helium nucleus, absorbing energy.

B Four helium nuclei combine to become a hydrogen nucleus, releasing energy.

C Four hydrogen nuclei combine to become a helium nucleus, releasing energy.

D Four helium nuclei combine to become a hydrogen nucleus, absorbing energy.

What is C Four hydrogen nuclei combine to become a helium nucleus, releasing energy?

300

The density of a substance is 4.0 g/cm3. If a sample of the substance has a volume of 25 cm3. What is its mass

A 0.16 g

B 6.25 g

C 100 g

D 1000 g

What is C 100 g?

300

A topographic map of part of Arizona is shown below.


Which of the labeled points on the map has the steepest slope 

A 1

B 2 

C3 

D 4

What is C 3?

400

Some constellations are more prominent in the night sky of North Carolina in winter, while other constellations are more prominent in the night sky in summer. Which best explains why this occurs 

A because of Earth’s rotation on its axis

B because of stars revolving around Earth

C because of Earth revolving around the sun

D because of the change in the barycenter of Earth

 

What is C because of Earth revolving around the sun?

400

Which number is closest to the estimated number of stars in the Milky Way galaxy 

A 200 thousand

B 200 million

C 200 billion

D 200 trillion

What is C 200 billion?

400

The Moon goes through phases as it revolves around Earth. During which phase of the moon would it be possible for a solar eclipse to occur 

A new moon

B full moon

C waning crescent

D waxing gibbous


What is A new moon?

400

A student has a rectangular block. It is 2 cm wide, 3 cm tall, and 25 cm long. It has a mass of 600 g. First, calculate the volume of the block. Then, use that answer to determine the density of the block

A volume = 30 cm3 ,  density = 0.05g/cm3

B volume = 30 cm3 ,  density = 20.0 g/cm3

C volume = 150 cm3 ,  density = 0.25 g/cm3

D volume = 150 cm3 ,  density = 4.0 g/cm3

What is D volume = 150 cm3 , density = 4.0 g/cm3

400

A science class designed a poster to show how the barrier islands along the Florida coastline formed. The students showed the effects of wind, waves, and tides on the sand that formed these islands. In the poster, which pair of systems should the students say MOST affected barrier island formation  


A the hydrosphere and atmosphere

B the atmosphere and lithosphere

C the biosphere and hydrosphere

D the lithosphere and biosphere

What is A the hydrosphere and atmosphere?

500

The figure shows the path of a planet orbiting the Sun. The three areas shaded in gray have equal areas.


According to Kepler’s second law, which conclusion is supported by the data 

A The time intervals from A to B, C to D, and E to F are all equal.

B The time interval from A to B is twice the interval from E to F.

C The time intervals from A to B, C to D, and E to F combine to be equal to one half of a full orbit.

D The time intervals from C to D and from E to F combine to be equal to the time interval from A to B

What is A The time intervals from A to B, C to D, and E to F are all equal?

500

Which atmospheric phenomena are created by the interaction of charged particles with Earth’s magnetosphere 


A auroras

B tornadoes

C rainbows

D inversions

What is A auroras?

500

In which layer of the Sun does nuclear fusion occur 

A core

B radiative zone

C convection zone

D chromosphere


What is A core?

500

Frank also has an eraser. It has a mass of 3g, and a volume of 1cm3. What is its density? 

A .3 g/ cm3

B. 3 g/cm3

C 5 g/ cm3

D 4 g/ cm3

What is B 3 g/cm3?
500

Fences are put along some beaches.


For which reason are the fences MOST likely placed along beaches

A to increase water erosion

B to prevent wind erosion

C to increase weathering

D to prevent deposition

What is B to prevent wind erosion?

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