Life on Earth vs Life on the Moon

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Which gas is used to fill balloons and airships?

Helium (correct)
Carbon dioxide
Oxygen
Nitrogen

Which gas is used to produce a fog effect on stages?

Nitrogen
Carbon dioxide (correct)
Helium
Oxygen

Which gas is used to fill light bulbs?

Carbon dioxide
Oxygen
Argon (correct)
Helium

Which gas is used for storing living cells and tissues?

Liquid nitrogen (A) Signup and view all the answers

Which gas is used to put out fires in fire extinguishers?

Carbon dioxide (B) Signup and view all the answers

Which gas is used in cutting metals in industry?

Oxygen (D) Signup and view all the answers

Which gas is used to prevent food from going bad in some food packages?

Nitrogen (B) Signup and view all the answers

Which gas is used in advertising lights?

Neon (D) Signup and view all the answers

Which gas does not support burning and is denser than air?

Carbon dioxide (D) Signup and view all the answers

Which gas is used to help with breathing difficulties?

Oxygen (B) Signup and view all the answers

Which gas causes a burning splint to burn more brightly?

Oxygen (B) Signup and view all the answers

What happens to the glowing splint when placed in a test tube of oxygen?

It goes out (D) Signup and view all the answers

What happens to the hydrogencarbonate indicator when added to a test tube of carbon dioxide?

It turns from red to yellow (A) Signup and view all the answers

What happens to the limewater when added to a test tube of carbon dioxide?

It turns from colorless to milky (C) Signup and view all the answers

What color does dry cobalt chloride paper turn when exposed to water?

Pink (C) Signup and view all the answers

What happens to the color of the cobalt chloride paper when it is placed above a beaker of hot water?

It turns blue (C) Signup and view all the answers

Which gases do not have simple tests for identification?

Nitrogen and noble gases (D) Signup and view all the answers

What is the purpose of the gas lighter in the experiment?

To light the wooden splint (A) Signup and view all the answers

What is the purpose of the hydrogencarbonate indicator in the experiment?

To test for carbon dioxide (A) Signup and view all the answers

What is the purpose of the limewater in the experiment?

To test for carbon dioxide (A) Signup and view all the answers

Which of the following correctly describes why there are no living things found on the Moon?

The Moon does not have a layer of air like the Earth does. (A) Signup and view all the answers

Which of the following correctly describes what air is made up of?

Air is made up of nitrogen, oxygen, carbon dioxide, noble gases, water vapor, and small amounts of other gases. (C) Signup and view all the answers

Who discovered oxygen and what experiments did they do that led to the discovery?

Joseph Priestley, who discovered oxygen through experiments involving plants and animals. (B) Signup and view all the answers

Which of the following gases is NOT found in air according to the information provided?

Argon (A) Signup and view all the answers

How can we test for the presence of gases such as oxygen, carbon dioxide, and water vapor?

By studying their color, smell, and ability to react with other chemicals (A) Signup and view all the answers

Which of the following gases is the most abundant in air?

Nitrogen (A) Signup and view all the answers

Which of the following is NOT a property used to test gases?

Density (D) Signup and view all the answers

What is the main difference between the Earth and the Moon when it comes to the presence of living things?

The Earth has a layer of air while the Moon does not. (D) Signup and view all the answers

What is the Moon made of?

Rock and dust (A) Signup and view all the answers

Which of the following correctly describes the composition of air?

Air is primarily made up of nitrogen. (B) Signup and view all the answers