1. Read the following NASA fact sheet about the Hubble Space Telescope and do the tasks.
Đọc các thông tin sau về tàu thám hiểm Hubble Space của NASA và làm bài tập.

A named after Edwin P. Hubble, who discovered that the Milky Way was only one of many galaxies

B launched into space on April 24,1990

C orbits about 547 kilometres above Earth

D is the length of a large school bus, and weighs as much as two adult elephants

E travels about 8 kilometres per second

F is solar-powered

G takes sharp pictures of objects in space such as planets, stars, and galaxies for research

H has made more than one million observations

a, Put the facts under the appropriate headings. More than one fact can go with one heading.

Xếp các thông tin sau vào đúng tiêu đề. Một thông tin có thể nằm trong hai tiêu đề.

1. Size and weight

2. Name

3. History

4. Mission

5. Position and speed

6. Power source

Key - Đáp án:

1. D            2. A               3.B                4G.H                 5. C, E                 6. F

b, Decide if the following statements are true (T) or false (F).

Các câu sau đúng hay sai.

1. The Hubble Space Telescope is named after the scientist who created it.

2. The telescope moves in space around the Earth.

3. It is as heavy as one elephant.

4. Its speed is about 480 kilometres per minute.

5. The telescope uses wind energy for its operation.

6. Its mission is to take pictures of the universe for scientific reseat.

Key - Đáp án:

1. F (It is namec scientist who discovered that the Milky Way is just one galaxy among
others.)
2. T
3. F (It is as heav. is .-.e of two adult elephants.)
4. T
5. F (It is powered by solar energy
6. T

2. Read the text and choose the best answers.

Đọc đoạn văn sau và chọn đáp án đúng.

Earth, our beautiful home planet, is the only astronomica object to accomodate life as we know it. Scientists believe Earth was formed approximately 4.5 billion years ago. It is the fifth-largest planet in our solar system. Its equatorial diameter is about the third-closest planet to the sun. The distance from Earth to the sun is roughly 149,600,000 kometres. It takes 365.3 days for Earth to orbit the sun, and 24 hours to rotate on its axis. The surface temperature ranges from -88 to 58C. Nearty 70 percent of Earth's surface is covered by ocean, which has an average depth of about 4 kilometres. In 2015 it was estimated that 7.3 billion humans are living on Earth.

1. As we know it, Earth is the only planet that accommodates life. It is______.

A. habitable                   B. habitual                      C. habitat

2. There are _____________  planets between Earth and the sun.

A. two                     B. three                        C. four

3. In our solar system,______ planets are larger than Earth.

A two                      B. three                        C. four

4. The hottest place on Earth may have the temperature of____ .

A -88°C                   B. 58°C                         C. 40°C

5. It takes_______ for Earth to rotate on its axis.

A. one year                  B. one month            C. one day

6. Most of Earth's surface is covered by_____.

A. ocean                       B. mountain                     C. forest

Key - Đáp án:

1. A           2. A               3. C                4. B              5. C                    6. A

3. Read the text and do the activities that follow.

Đọc đoạn văn sau và làm bài tập.

Did you knowthatthe spacesuit astronauts wear while in outer space is formally called ar Extravehicular Mobility Unit, or EMU? ‘Extravehicular’ means outside of a spacecraft, and (1) ‘______________ ’ means that the astronaut can move around in the suit, independent of the (2).............................. . An EMU is not simply a set of clothes. The suit provides life upport and environmental protection for the astronaut during planetary exploration or (3)___. For example, spacesuits protect astronauts from extreme temperature change, which can go as cold as (4)__ ________  _ , or as hot as 120 degrees Celsius Spacesuits also supply astronauts with (5) __________  ____  to breathe and water to drink during spacewalks. They protect astronauts against fast-moving space dust particles, (6) ____, and bright sunlight.

a, Put the following words/phrases in the appropriate gaps in the text.

Xếp các từ/cụm từ sau vào đúng vị trí trong đoạn văn.

spacewalks                   oxygen

radiation                       spacecraft

mobility                         minus 150 degrees Celsius

Key - Đáp án:

1. mobility

2. spacecraft

3. spacewalks

4. minus 150 degrees Celsius

5. oxygen

6. radiation

b, Answer the questions.

Trả lời các câu hỏi sau.

1. What does EMU stand for?

2. Why is an EMU spacesuit more than a set of dothes?

3. When do astronauts wear an EMU?

4. Give one example of how an EMU provides astronauts with enviromental protection.

5. Give one example of how an EMU provides life support for astronauts. 

Key - Đáp án:

1. EMU stands for Extravehicular Mobility Unit.

2. An EMU provides astronauts with mobility, life support, and environmental protection.

3. When they are in space doing spacewalks or during planetary exploration.

4. It protects astronauts from extreme temperatures/radiation/space dust particles.

5. It supplies astronauts with oxygen/water.

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