Wonders 3.3 Mysterious Mars

The Main Idea of the article is?

hint: reread 1 and 7

• Mars is very similar to earth

• NASA has had many missions to Mars

• Plants and animals cannot survive on Mars

• Scientist still have a lot to learn about Mars

Read this sentence from the article.

After all it is close to Earth and can be easily seen with a telescope.

The word easily means " done with ease" what is an example of something donw noisily?

• a parade

• studying for a test

• a trip to the libary

• taking a nap

What is the MAIN idea of the third paragraph?

• Dust storum on Mars can dim the sun' light.

• Mars is the coldest planet in the solar system

• Dust stroms on Mars can last for several months

• Dust and cold tempatures on Mars make life there more difficult.

Which text evidence BEST shows that the author believes the Mars exploration will be successful?

hint:reread 7

• The first spacecraft flew to Mars in 1975

• They also wanted to know if any plants or animals had ever lived there.

• With the Mars Polar Lander gone, NASA had to go back to the drawing board.

• Sprit and Opportunity have collected many details about the mysterious planet.

The MAIN responsibility of NASA is to

hint: reread 4

• study rocks and soil from Mars

• study the weather patterns on Mars.

• research and develop new spacecraft

• discover if life exist on other planets

The suffix -y means "full of" Which word uses -y in the same way as dusty?

It would be hard for living things to breath or to see in such a dusty place.

• any

• cloudy

• factory

• toy

It is a rocky planet that has valleys, hills, and plains.

The suffix -y means "full of" A rocky hill is one that contains many

• stones

• ponds

• streams

• trees