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UNIT 2 BIG IDEAS
Recall test 10 mins
Task 1: Choose the correct answers
1. Which of the following can be inferred about the title, Big Ideas: Little Packages?
A. It is easier to send inventions that are small in size around the world.
B. The newest inventors are all young and creative people.
C. Sometimes the best ideas are affordable and uncomplicated.
2. Paragraph B mentions that the Embrace Infant Warmer is all of the following EXCEPT:
A. It is made locally.
B. It weighs little.
C. It has a low cost.
3. In paragraph C, the author mentions that the Q Drum rolls to ________________.
A. make the point that it is not too heavy to move
B. demonstrate that its shape allows it to hold a lot of water
C. show that it is the best way to push things on the ground
4. In paragraph D, why does the author mention that farmers will have more money if people
buy the Portable Clay Cooler?
A. Farmer can sell their fruits and vegetables at much higher prices.
B. Shoppers will buy more fresh fruits and vegetable more frequently.
C. People can buy fresh fruits and vegetables directly from the farmers.
5. In paragraph F, which of the following best expresses the idea of the sentence, The result:
renewable electricity for better street lighting and faster communication.?
A. Wi-Fi Internet connections will be faster and street lighting will be stronger than it is
now.
B. There will be a free source of electrical energy and free Wi-Fi for everyone who wants
it.
C. A power source that is safe for the environment will be used and it will be easier to
contact people.
Task 2: Use the words in the box to fill in the gaps.
devices
systems
renewable
innovations
indicate
valuable
detect
containers
store
benefit
1. The windmills bring fresh water up from underground and hold it in large plastic _______________.
2. Because sunshine is a source of energy which is non-polluting and _______________, it is
an excellent alternative to fuel.
3. A mosquito net is one of the simplest and most cost-effective _______________ to prevent
disease from mosquito bites.
4. Scientists can easily _______________ most diseases in water with a microscope.
5. Even though they were invented thousands of years ago, windmills continue to
_______________ the world in many ways.
6. Some of the best inventions have been _______________ on things that have already been
invented.
7. Some windmills can _______________ energy when there is a lot of wind so ot can be
used whenever the electricity is needed.
8. One of the worlds largest solar-powered cooking _______________ is in India and can
feed up to 20,000 people per day.
9. The earths environment is its most _______________ resource so it should be protected.
10. Some solar cookers include thermometers that _______________ when the oven is hot
enough to cook.
ANSWER KEY
Task 1: Choose the correct answers
1. Which of the following can be inferred about the title, Big Ideas: Little Packages?
A. It is easier to send inventions that are small in size around the world.
B. The newest inventors are all young and creative people.
C. Sometimes the best ideas are affordable and uncomplicated.
2. Paragraph B mentions that the Embrace Infant Warmer is all of the following EXCEPT:
A. It is made locally.
B. It weighs little.
C. It has a low cost.
3. In paragraph C, the author mentions that the Q Drum rolls to ________________.
A. make the point that it is not too heavy to move
B. demonstrate that its shape allows it to hold a lot of water
C. show that it is the best way to push things on the ground
4. In paragraph D, why does the author mention that farmers will have more money if people
buy the Portable Clay Cooler?
A. Farmer can sell their fruits and vegetables at much higher prices.
B. Shoppers will buy more fresh fruits and vegetable more frequently.
C. People can buy fresh fruits and vegetables directly from the farmers.
5. In paragraph F, which of the following best expresses the idea of the sentence, The result:
renewable electricity for better street lighting and faster communication.?
A. Wi-Fi Internet connections will be faster and street lighting will be stronger than it is now.
B. There will be a free source of electrical energy and free Wi-Fi for everyone who wants it.
C. A power source that is safe for the environment will be used and it will be easier to
contact people.
Task 2:
1. Containers.
2. renewable
3. devices
4. detect
5. benefit
6. innovations
7. store
8. systems
9. valuable
10. indicate
