# What Do You Know About Aerodynamics? Trivia Facts Quiz

32 Questions | Total Attempts: 90

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What do you know about aerodynamics? This study helps to explain the movement of objects across the air. According to the law of gravity, everything that goes up must come down. Do take up the trivia facts quiz and get to see how informed you are about aerodynamics. All the best as you tackle it and be on the lookout for others like it!

• 1.
Jocelyn was curious about the air pressure within a volleyball. She decided to place a well stretched balloon onto an inflation needle which she then inserted into a fully inflated volleyball.         What did Jocelyn observe? The volume of the balloon will
• A.

increase until the air pressure is equal in the ball and the balloon

• B.

Increase until all the air is released from the ball

• C.

Decrease as the air will be sucked into the volleyball

• D.

Not change

• 2.
Air-activated heating pads work by converting oxygen and iron into iron oxide (rust). This process is exothermic (yields heat). A pad will last as long as 6 to 8 hours.If a person wanted to use a pad 6 times for one hour each time, which of the following would allow him to stop the chemical reaction quickly after each hour of use so that he reuse it again later?
• A.

Telling it to turn off

• B.

Telling it to turn off

• C.

Putting it in a sealed plastic bag

• D.

putting it in an open plastic bag

• E.

increasing the pressure around the pad

• 3.
Air pumps are often used to pump up bicycle and vehicle tires.As Daphne pumped air into her bicycle tire she explained to her friend Daniel the reason why the tire gets firm when squeezed. Which of the following explanations correctly explains why tires get firm?
• A.

Air expands to fill the space it is in.

• B.

Air is loosely packed and can be compressed into smaller spaces, resulting in a higher pressure.

• C.

Air turns into a solid when it is squeezed into a small space.

• D.

The faster air moves, the less pressure it exerts.

• 4.
Clifford placed a sponge in the bottom of a glass and then turned it upside down and submersed it in a sink full of waterA property of air which explains why the sponge did not get wet is that
• A.

Air takes up space

• B.

Air contracts when cooled

• C.

air expands when heated

• D.

Air contains oxygen

• 5.
The property of air best tested in a wind tunnel is that air
• A.

The property of air best tested in a wind tunnel is that air

• B.

Is invisible

• C.

Takes up space

• D.

Exerts pressure

• 6.
Hayley designed an air experiment she could perform at home to impress her family. She followed these procedures:
1. Secure a candle in the middle of a glass baking dish with a few drops of wax.
2. Add enough water to the pan so the height of the water is 2 cm.
4. Light the candle.
5. Carefully placed a large jar upside down over the candle so that the top of the candle is not submerged in the water.
6. Observe what happens.
Hayley shows the results of her experiment.If Hayley was to repeat her experiment to include a smaller jar and a larger jar, which variable would be the manipulated or changing variable in this experiment?
• A.

The time taken for the flame to extinguish

• B.

The amount of air in the jars

• C.

The amount of water in the pan

• D.

The amount of water pulled into the jar when the flame is extinguished

• 7.
Refer to the information in question 6.When the flame heats the air in the jar, the air
• A.

Expands

• B.

Contracts

• C.

Compresses

• D.

Gains mass

• 8.
While at the zoo, Jonathan wondered why the Ostrich did not fly out of its enclosure.An ostrich can not fly because
• A.

The force of gravity is greater than the force of lift that their wings can generate

• B.

the force of gravity is less than the force of lift from their wings

• C.

Their is less pressure above their wings then below

• D.

their necks are too long

• 9.
A Cartesian diver uses the compressibility of air compared to water to rise and sink. Here, the diver is composed of a pen cap containing air with a piece of clay attached to the bottom. As the bottle is squeezed and released, the diver rises and sinks accordingly.This experiment demonstrates:
• A.

Bernoulli's Principle

• B.

Ohm's law

• C.

that air can be compressed more easily than water

• D.

that air can be compressed less easily than water

• 10.
On a calm spring day, Rene goes for a drive with his father to the local grocery store. On the way to the store, Rene rolls down the window and props his arm on the window sill. Rene moves his arm in the air as his dad drives.Which of Rene's hand positions is most likely to feel negative lift?
• A.

A

• B.

B

• C.

C

• D.

D

• 11.
On a calm spring day, Rene goes for a drive with his father to the local grocery store. On the way to the store, Rene rolls down the window and props his arm on the window sill. Rene moves his arm in the air as his dad drives.Rene's demonstration best shows which of the following properties of air?
• A.

Air contains oxygen

• B.

Air exerts pressure

• C.

Air expands when heated

• D.

Air can be compressed

• 12.
Stephanie recalls that air expands when heated and contracts when cooled. She decides to fill up four balloons and place them in different temperatures to test these properties of air.When testing for expansion and contraction, the two variables Stephanie would have to keep constant are the
• A.

The amount of light each balloon receives and the color of the balloons.

• B.

Type of material the balloons were made of and their color.

• C.

The color of the balloons and the time kept in the different locations

• D.

type of material the balloons were made of and the amount of air in each balloon

• 13.
A marshmallow has small bubbles of air inside allowing it to float in your hot chocolate.When heated in a microwave, the marshmallow will:
• A.

Expand

• B.

Implode

• C.

Remain unchanged

• D.

vaporize into a cloud of brown oxygen gas.

• 14.
Air pumps are often used to pump up bicycle and vehicle tires.Why are bicycle and vehicle tires not blown up with the air from your mouth?
• A.

The air from your mouth is not the right mix of gases

• B.

There is not enough force from your mouth to create the right amount of air pressure.

• C.

Your mouth can not compress air

• D.

The air from your mouth is too warm

• 15.
One afternoon, Mrs. Peters class spent the afternoon at the airport watching the airplanes take off and land.The airplanes would speed down the runway until they lifted off the ground. Mrs. Peters once again reminded the class that planes lift off the ground because the
• A.

force of thrust is less than the force of gravity

• B.

Air resistance is equal to the force of thrust

• C.

Air below the wing is moving faster than the air above the wing

• D.

Air above the wing is moving faster than the air below the wing

• 16.
Which of the following is a role played by nitrogen in the earth's atmosphere?
• A.

It is a source of energy for human cellular function.

• B.

It is necessary for photosynthesis as plants convert it into sugar and oxygen

• C.

It regulates combustion by being a catalyst to the combustion reaction

• D.

It regulates combustion by reducing the concentration of oxygen in the atmosphere

• 17.
The teacher prepared a water basin by filling it half full with very cold water. He placed it beside a Bunsen burner. He then measured 25 ml of water using a graduated cylinder, and poured it into an empty 355 ml pop can. He turned on the Bunsen burner and heated the can with the water in it until it began to boil. He then removed the can from the flame using tongs, quickly flipped it upside down into the basin of cold water (so that the hot water remained inside the can), and held it in place.
• A.

Explode

• B.

Implode

• C.

Increase in tempreture

• D.

Rust

• 18.
This is a photo of Edmonton, Alberta's 1987 tornado. During a tornado, what type of structure would be most resistant?
• A.

A rectangular building

• B.

an oil refinery

• C.

An aerodynamic car

• 19.
Will is climbing a high mountain. Near the summit of 3000 meters, he finds himself having a hard time breathing and feeling nauseous. This situation, called altitude sickness is caused by:
• A.

higher atmospheric pressure

• B.

being so high up that there are more UV rays

• C.

the ozone layer is poisonous

• D.

Lower atmospheric pressure

• 20.
On a hot day in July, Neil walked off the concrete sidewalk onto the black asphalt street with bare feet. He quickly jumped back onto the concrete sidewalk when he felt the heat on his feet. As he stood on the sidewalk, he watched the heat shimmer off the asphalt.The heat appears to shimmer off the asphalt because the heat
• A.

causes the air to contract more than the surrounding air

• B.

makes the air more dense that the surrounding air

• C.

Makes the air less dense than the surrounding air

• D.

Creates steam in the air

• 21.
• A.

ships sail

• B.

Airplanes create lift

• C.

Parachutes float

• D.

Hot air balloons fly

• 22.

1. Paintball is a growing sport that involves shooting balls filled with vegetable-oil based paint. The paintball gun operates through a compressed air or CO2 (carbon dioxide) tank. Why would carbon dioxide or compressed air be used over other gases such as oxygen?
• A.

Carbon dioxide is the most common gas in the atmosphere

• B.

• C.

Oxygen is more difficult to pressurize than other atmospheric gases

• D.

Carbon dioxide does not cause global warming

• E.

Oxygen is unstable and ignites too easily.

• 23.
Each morning, Monica sprays her hair with a can of hair spray. When she presses the nozzle, the mixture comes out because the hair spray is
• A.

Cooler than the air

• B.

Flammable

• C.

Stored as a gas

• D.

Under pressure

• 24.
When using a computer keyboard cleaner, you notice that the can becomes very cold as the air is released. This is because the air:
• A.

Contracts as it escapes the can

• B.

Gets angry about being forced into a can for so long and gets cold with rage. ( this is called the djinni in a bottle effect)

• C.

Expands and adsorbs heat as it escapes the can

• D.

Expands and absorbs cold as it escapes the can

• 25.
Which of the following is a role played by nitrogen in the earth's atmosphere?
• A.

It is a source of energy for human cellular function.

• B.

It is necessary for photosynthesis as plants convert it into sugar and oxygen.

• C.

It regulates combustion by being a catalyst to the combustion reaction.

• D.

It regulates combustion by reducing the concentration of oxygen in the atmosphere.

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