Solar Energy Part 1

1. Archimedes used solar energy to burn Roman ships with big ________ . So he could protect his city from them.

Archimedes used mirrors to harness the power of solar energy and focus it onto Roman ships, causing them to catch fire. By doing so, he was able to defend his city against the invading Roman forces.

Explanation

Archimedes used mirrors to harness the power of solar energy and focus it onto Roman ships, causing them to catch fire. By doing so, he was able to defend his city against the invading Roman forces.

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2. U_____ solar energy is not new. People started to use it a long time ago.

The correct answer is "using" because the sentence is discussing the action of using solar energy, which is not a new concept and has been practiced for a long time. The word "using" accurately conveys this meaning and fits grammatically in the sentence.

Explanation

The correct answer is "using" because the sentence is discussing the action of using solar energy, which is not a new concept and has been practiced for a long time. The word "using" accurately conveys this meaning and fits grammatically in the sentence.

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3. Match the two parts of the sentences.

He bought a special backpack

I don't have to

Mr. Harrison is an old businessman

He was flying to L.A.

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4. Why couldn't Mr. Harrison finish the report while flying to L.A.?

The battery in his computer died.

He was tired.

He didn't have to do it.

Mr. Harrison couldn't finish the report while flying to L.A. because the battery in his computer died.

Explanation

Mr. Harrison couldn't finish the report while flying to L.A. because the battery in his computer died.

5. Mr. Harrison is from America.

True

False

The given statement states that Mr. Harrison is from America. Since there is no contradictory information provided, we can assume that the statement is true. Therefore, the correct answer is True.

Explanation

The given statement states that Mr. Harrison is from America. Since there is no contradictory information provided, we can assume that the statement is true. Therefore, the correct answer is True.

6. What did Mr. Harrison buy last month?

A solar heater

A solar backpack

A computer

Mr. Harrison bought a solar backpack last month.

Explanation

Mr. Harrison bought a solar backpack last month.

7. The solar cooker was invented in the 19th century.

True

False

The solar cooker was indeed invented in the 19th century. The first known patent for a solar cooker was granted to Horace de Saussure in 1767, and later in the 19th century, solar cookers started to gain more popularity and be used in various parts of the world. The invention of the solar cooker was a significant development in utilizing solar energy for cooking purposes, providing an environmentally friendly and sustainable alternative to traditional cooking methods.

Explanation

The solar cooker was indeed invented in the 19th century. The first known patent for a solar cooker was granted to Horace de Saussure in 1767, and later in the 19th century, solar cookers started to gain more popularity and be used in various parts of the world. The invention of the solar cooker was a significant development in utilizing solar energy for cooking purposes, providing an environmentally friendly and sustainable alternative to traditional cooking methods.