Unit 2 Summative

The Moon's environment interests people who want challenges.

The Moon's environment could be changed so humans can live there.

The Moon's environment is dangerous because it is always dark.

The Moon's environment is unable to support human life.

The Moon is the only place where the sun's radiation makes people sick.

The Earth's atmosphere protects people from the sun's radiation.

The sun's radiation can be both helpful and harmful to people.

The sun's radiation also makes people sick on Earth.

The author wants astronauts to study regolith for more information.

The author thinks regolith would be challenging to control.

The author likes regolith because it is electrically charged.

The author wants to walk on the Moon to know what regolith is like.

peaceful

perfect

painful

possible

It has been too long since people have landed on the Moon.

It is not possible for humans to one day live on the Moon.

The Moon's surface is an interesting place for humans to explore.

New technology makes it possible for humans to live on the Moon.

"Humans have a strong curiosity to learn more about the world."

"But it's been 50 years since humans have walked on the Moon."

"Humans cannot live on the Moon because it does not have an atmosphere with oxygen, the way Earth does."

"Regolith is the name for a powdery dust that covers the surface of the Moon."

"This interest has let us go where no one has gone before, such as the Moon."

"However, it is impossible for humans to live on the Moon."

"Scientists say the Sahara Desert has 100 times more water that the Moon does."

"And it would be frightening to always worry about limited water and dangerous dust."

"Humans have a strong curiosity to learn more about the world."

"But it's been 50 years since humans have walked on the Moon."

"Some people think that living on the Moon would be exciting, and that the effort and research needed to get us there would be worth it."

"Even if water were easily available, the Moon's regolith makes living there dangerous."

Exploring other parts of the solar system would be difficult and dangerous.

Living on a new world will be important for human survival.

Scientists should explore other parts of the solar system.

Improvements in technology will make living on other planets possible.

keep

gather

make new

carry across

to make sure the vinegar does not spill

to make it easier to take a good picture

to stop the cork from hitting someone

to let air flow around and into the bottle

willing to wait

waiting for a long time

not willing to wait

making someone wait

flies or glides

drops

explodes

draws a line

sequential text structure

descriptive text structure

problem-and-solution text structure

compare-and-contrast text structure

"If it is too tight, ask an adult for assistance in trimming the cork with a knife." (Step 2)

"Next, cut a 4-inch by 4-inch piece of paper towel, and put the baking soda in the center." (Step 4)

"Twist the ends of the paper towel to keep the baking soda in." (Step 4)

"Use the ribbons to trace the cork's path as it soars through the sky." (Step 6)

It provides examples of the central idea.

It describes details about a topic.

It tells what to do in a certain order.

It shows how a problem was solved.