Click on: Mercury



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Web Activity: Solar System Exploration

Go to: Click on the tab: Solar System

Most of the information has a link in the tabs along the top or in the blue section on the left of the page. Less familiar terms are in blue; click them for more in-depth answers.

Click on: “Formation”

The solar system (ours) began ______________ of years ago.

a. thousands b. millions c. billions d. trillions

Select the tab: Planets, Click on: “Mercury”

Mercury is the _______ planet to/from the sun.

a. farthest b. 4th c. 2nd d. nearest

Click on: “Discovery”

Name the spacecraft that visited Mercury. _____

a. Viking b. Magellan c. Mariner 10 d. Pioneer

Click on: “Interior and Surface”

Temperature variations on Mercury are extreme and can reach over:

a. 400o F b. 600o F c. 800o F d. 1000o F

The surface of Mercury can be compared to that of the moon’s because both

are heavily cratered.

a. true b. false

Is there volcanic activity on Mercury now?

a. yes b. no

Select the tab: Planets, Click on: “Venus”

Venus is the ____ planet from the sun.

a. 2nd b. 3rd c. 4th d. 7th

Venus is considered a ____ planet to Earth.

a. brother b. sister c. mother d. father

Click on: “Interior/Surfaces” –Read the entire paragraph!

Venus has over _______ major volcanoes.

a. 450 b. 900 c. 1400 d. 1600

Click on: “Atmosphere”

What makes up most of the atmosphere of Venus, not just the clouds?

a. carbon dioxide b. nitrogen c. argon d. sulfur dioxide

Click on: “Facts”

How many natural satellites (moons) does Venus have?

a. 3 b. 2 c. 1 d. none

Click on: “Discovery”

Which item in reference to Venus does NOT belong?

a. morning star b. afternoon star c. evening star d. planet

Select the tab: Planets, Click on: “Earth”

Earth is the ______ planet from the sun.

a. 2nd b. 3rd c. 4th d. 7th

Click on: “Interior/Surface”

Earth is the smallest and least dense planet in our solar system.

a. true b. false

Click on: “Atmosphere”

Which of the following elements does not make the Earth’s atmosphere?

a. nitrogen b. oxygen c. carbon dioxide d. iron

Click on: “Facts”

How many natural satellites (moons) does Earth have?

a. 3 b. 2 c. 1 d. none

What is the rotational period for the Earth?

a. 23 hours b. 24 hours c. 48 hours d. 365 days

Select the tab: Solar System then Planets, click on: “Mars”

Mars is the ________ planet from the sun?

a. 2nd b. 3rd c. 4th d. 6th

Click on: “Interior / Surface” Read the entire paragraph!

What causes the reddish color of Mars?

a. red dye b. the sun’s heat c. iron rusting in soil d. volcanoes

What is Olympus Mons?

a. monsoon b. hurricane c. volcano d. crater

What is Valles Marineris

a. chain of volcanoes c. large/low clouds

b. moon d. large canyons

Click on: “Moons”

(2 answers) Which are the TWO moons of Mars?

a. Titan b. Charon c. Phobos d. Deimos

Click on “Mulitmedia” and look at the Mars photos

Select the tab: Planets, Click on: “Jupiter”

Jupiter is the ______ planet from the sun.

a. 4th b. 5th c. 6th d. 7th

Jupiter is the _______ ________ in the solar system.

a. largest object c. largest planet

b. smallest object d. smallest planet

Click on: “Interior/Surface”

What gases make up Jupiter’s interior?

a. nitrogen & helium c. oxygen & nitrogen

b. hydrogen & helium d. oxygen, nitrogen, & silicon

Click on: “Atmosphere” then click: Cloud Patterns

Now click on the Great Red Spot. What is the Great Red Spot?

a. monsoon b. hurricane c. volcano d. tornado

How long has the Great Red Spot been on Jupiter?

a. 5 yrs. b. 50 yrs. c. 200 yrs. d. 400 yrs.

Click on: “Moons/Rings”

At the least, how many moons does Jupiter have?

a. 22 b. 41 c. 63 d. 87

Click on: “Io”

Io has active volcanism on it. a. true b. false

Read about each of the Galilean Satellites. Which one is thought to have liquid water on it?

a. Ganymede b. Europa c. Callisto d. Io

Select the tab: Planets, Click on: “Saturn”

Saturn the ______ planet from the sun.

a. 4th b. 5th c. 6th d. 7th

Click on: “Atmosphere”

Why does Saturn appear yellow?

a. because of volcanic activity c. The rings make it look yellow

b. amount of sulfur in atmosphere d. The sun’s light is yellow

Click on: “Moons/Rings”: Click on Ring System

Saturn is the only planet with rings.

a. true b. false

What are the rings made up of?

a. ice only b. rock only c. ice and rock d. water

Click back, click on: Titan-- It is Saturn’s most famous moon.

Titan is thought to have an environment that may support life.

a. true b. false

Select the tab: Planets, click on: “Uranus”

Uranus is the _______ planet from the sun.

a. 6th b. 7th c. 8th d. farthest

How many moons does Uranus have?

a. 20 b. 25 c. 27 d. 30

Click on: “Interior/Surface”

Uranus’s interior is made up mostly of ______ ice.

a. water b. methane c. carbon dioxide d. nitrogen

Click on: “Discovery”

Who discovered Uranus?

a. William Herschel b. Johann Galle c. Leverrier d. Clyde Tombaugh

Select the tab: Planets, click on: “Neptune”

Why does Neptune look blue?

a. methane gas b. water c. volcanic activity d. both b & c

Click on: “Discovery”

How was Neptune discovered?

a. satellites b. space probes c. telescopes d. using math

Select the tab: Asteroids

More than ___________ asteroids lie in a belt between Mars & Jupiter.

a. 1,000 b. 10,000 c. 100,000 d. 1,000,000

Click on: “Meteors”

Streaks of light, usually lasting just a few seconds are called:

a. Meteors b. Meteorites c. Meteoroids d. Asteroids

Click on: “Comets”

One of the brightest comets ever seen from Earth was:

a. Hale-Bopp b. Halley c. Hyakutake d. Rosetta

In 1994, comet __________became trapped by the gravity of Jupiter and

plunged into Jupiter's atmosphere:

a. Hale-Bopp b. Halley c. Hyakutake d. Shoemaker-Levy

Click on: “Sun”

The sun is the ________ star to Earth.

a. farthest b. closest c. smallest d. 2nd nearest

The sun is the _______ of our solar system.

a. center b. farthest item c. smallest object d. magnetism

Click on: “Interior”, look at diagram, then click core

The core has very hot/dense gas that’s considered what state of matter?

a. solid b. liquid c. ice d. plasma

50-51. Think or click back to find 2 different things that you learned that were new today and briefly list/describe them in the space on your answer sheet.

52-55. If you were forced to move off Earth to a different location in the solar system, where would you go? Describe that location and how you would feel if you had to move. Record on you answer sheet.

** When you are finished with this activity, do not log-off this site. Turn in your paper and…

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