Choose ALL objects which are members of our solar system.

The four inner planets are also known as ......

The four outer planets are also known as ......

What type of material is normally found in the core of a terrestrial planet?

What type of material is normally found in the crust of terrestrial planets?

Generally, a planet farther away from the sun will have a ______ surface.

Rocky bodies that orbit the Sun, mostly in the space between Mars and Jupiter. Left over from the origins of the solar system

Small bodies composed mostly of dust & ice, made of frozen water & carbon dioxide that have highly elliptical orbits around the sun

Scientists have calculated that our solar system is ________ years old

Surface areas with a high density of meteor impact craters are _________ than areas with fewer craters.

A cloud of gas and debris attracted together due to the influence of gravity.

Mars is 1/10th the mass of Earth. Therefore Mars has ______ surface gravity.

The time it takes for a celestial body to complete one turn around its own axis is known as...... (choose two)

The time it take for a celestial body to complete one revolution around its central star is known as...... (choose two)

Dark areas of our moon. Impact basins that were filled with lava (basalt)

Light areas of our moon; low-density silicates. Older and heavily cratered.

Meteor bombardment in our solar system ..........

Apollo 11 landed on our moon in .....

Which have Very Little or No magnetic field? Choose ALL that apply.

What generates a magnetic field around a celestial body?

What can occur if a planet loses its magnetic field?

Which are characteristics of Lunar Mare? Choose ALL that apply.

Which are characteristic of Lunar highlands? Choose ALL that apply.

Mercury is .4 Astronomical Units from the Sun. Therefore its orbital period is _____ than Earth's.

Venus is .7 AU from the sun. Therefore, its orbital velocity around the sun is _______ than Earth's.

An Astronomical Unit (AU) is .....

What is unique about Mercury's orbit?

Which planet has the lowest mass?

The planets are named after ....

Earth's acceleration from gravity is $$9.8\ meters\ \sec^2$$  . Mars' is $$3.7\ meters\ \sec^2$$  . Therefore, you would weigh _______ on Mars.

Which Planet's atmosphere is mostly carbon dioxide? Choose ALL that apply

Which Planet has a large amount of atmospheric oxygen $$\left(O_2\right)$$  

Which terrestrial plant has an extremely high atmospheric pressure?

Mars has an extremely thin atmosphere. What type of temperature pattern does this produce?

Which terrestrial planet has an extreme Greenhouse Effect?

Venus has a very thick atmosphere. Describe its temperature patterns.

Viking I and II landed on ____________ in 1977.

Earth has an axial tilt of 23 degrees. Mars has an axial tilt of 25 degrees. This tilt gives the planet ...............

Which planets have a natural satellite? Choose ALL that apply.

Venus has a density of $$5.5\ \frac{grams}{cm^3}$$  . Mars has a density of $$3.9\ \frac{grams}{cm^3}$$  . Which planet probably has more iron and nickel in its core?

Which area is older?

Why is the blue area smooth with no craters?

Olympus Mons is located on _________.

How do we know Olympus Mons is relatively new?

The presence of alluvial fans, sedimentary rocks, and weathered rock indicated the past presence of _______ on Mars.

As far as we know, Where on Mars can most of its Frozen water be found?

What would cause a planet to lose its magnetic field?

Which planet would cool down the quickest? A small or large one?

Which Planet has sulfuric acid in its atmosphere?

Where did the sulfuric acid in Venus' atmosphere most likely come from?

The USSR Venera Program was the first land probes on ________ in the late 1960s.

Early probes sent to Venus' surface only lasted about an hour. What could have caused them to died so quickly? Choose all that apply.

What is unique about Venus' rotation and revolution? Choose ALL that apply.

Similar to our moon's Lunar Mare, Venus' lowlands are made of ......

Venus' surface does not have a lot of craters. What does this tell us?

Which Planet is D

Which planet is B?

Which planet is A?

Why are the four inner planets known as "Terrestrial" planets?

Why was there so much meteor bombardment and impact craters being formed very early in our solar system's history? 4.5 - 3.5 bya

The speed that an object needs to be traveling to break free of an object's gravity.

A planet has a high orbital eccentricity. What does this mean?

The point on its orbit where the planet is CLOSEST to its central star.

Location #2

Identify location #1

Which planet has the lowest orbital eccentricity?

Which planet has the shortest orbital period?

Which planet is the most dense?

Crust that has a lot of crater is ....

"Lowlands" such as the lunar maria and Mars' Northern lowlands are made ....