Titan Vs. Earth
States of Matter
Titan's Chemistry and Biology
Phase Changes
Exploration on Titan
100

Why is Titan considered unique in our solar system?

a) It's the largest moon of Saturn

b) It's the only place besides Earth with surface liquid flows

c) It has the thickest atmosphere of any moon

d) It's closer to Saturn than any other moon

It's the only place besides Earth with surface liquid flows

100

Why does dry ice skip the liquid phase when changing states?

a) Because it's too cold to melt

b) Due to the process of sublimation

c) Because of deposition

d) Due to condensation processes

Due to the process of sublimation

100

The lakes and seas on Titan are made of:

a) Water and ice

b) Frozen nitrogen

c) Methane and ethane

d) Salt water

Methane and ethane

100

Which sequence correctly shows how clouds form from ocean water?

a) Liquid → Gas → Liquid

b) Solid → Liquid → Gas

c) Gas → Solid → Liquid

d) Liquid → Solid → Gas

Liquid → Gas → Liquid

100

Which future mission is planned to explore Titan?

a) Mars Rover

b) Dragonfly

c) New Horizons

d) Europa Clipper

Dragonfly

200

What makes life on Titan's surface challenging compared to Earth?

a) The atmosphere is too thin

b) There's too much sunlight

c) The temperature is around -179°C

d) The gravity is too strong

The temperature is around -179°C

200

What causes water in a hot shower to form droplets on a mirror?

a) Condensation when water vapor meets the cool surface

b) Evaporation of the water from the shower

c) Sublimation of the water droplets

d) Deposition of water molecules

Condensation when water vapor meets the cool surface

200

What is the most likely explanation for the methane in Titan's atmosphere?

a) Biological processes

b) Chemical reactions with sunlight

c) Outgassing from the moon's interior

d) Impacts from meteors

Outgassing from the moon's interior

200

What makes frost on windows different from regular ice formation?

a) It forms through deposition (gas to solid)

b) It forms through melting

c) It forms through evaporation

d) It forms through condensation followed by freezing

It forms through deposition (gas to solid)

200

How will the Dragonfly mission explore Titan?

a) By orbiting the moon

b) By using a rotorcraft to fly to different locations

c) By driving across the surface

d) By floating on the lakes

By using a rotorcraft to fly to different locations

300

Why couldn't Earth organisms survive in Titan's lakes?

a) The lakes are too shallow

b) There's too much oxygen

c) The water is too salty

d) The extreme cold and lack of water would destroy their cell membranes

The extreme cold and lack of water would destroy their cell membranes

300

 If water freezes at 0°C and boils at 100°C, what state would water be in at 50°C?

a) Solid

b) Liquid

c) Gas

d) Plasma

Liquid

300

The discovery of what type of molecules on Titan suggests the possibility of life?

a) Only water molecules

b) Only carbon dioxide

c) Complex organic molecules

d) Only simple gases

Complex organic molecules

300

During evaporation of boiling water, what causes the bubbles to form?

a) Air entering the water

b) Water molecules changing into gas state

c) Chemical reactions in the water

d) The pressure of the container

Water molecules changing into gas state

300

Which probe successfully landed on Titan's surface?

a) Voyager

b) Cassini

c) Huygens

d) Dragonfly

Huygens

400

What makes Titan's seas different from Earth's oceans?

a) They're smaller in size

b) They're made of different chemicals

c) They're more shallow

d) They're warmer

They're made of different chemicals

400

How is plasma different from the other states of matter?

a) It requires extremely high temperatures

b) It only exists in water

c) It's always invisible

d) It can only form in cold temperatures

It requires extremely high temperatures

400

 Why is studying Titan's biochemistry important?

a) To find precious metals

b) To understand how life might evolve differently than on Earth

c) To measure its temperature

d) To study its magnetic field

To understand how life might evolve differently than on Earth

400

If you place a glass of water outside on a hot day, what process causes the water level to decrease?

a) Sublimation

b) Evaporation

c) Deposition

d) Freezing

Evaporation

400

Scientists think Titan's life forms (if they exist) might use _______ instead of water:

a) Hydrocarbons

b) Salt water

c) Frozen nitrogen

d) Carbon dioxide

Hydrocarbons

500


6. What important molecule did scientists discover on Titan that could potentially support life?

a) DNA

b) Acrylonitrile

c) Protein

d) Glucos

Acrylonitrile

500

Which natural phenomenon demonstrates plasma formation?

a) Rain

b) Snow

c) Lightning

d) Wind

Lightning

500

What interesting feature might exist beneath Titan's surface?

a) Active volcanoes

b) A liquid water ocean

c) Diamond deposits

d) Metal deposits

A liquid water ocean

500

What happens when water vapor in clouds changes directly to snow without becoming liquid first?

a) Sublimation

b) Condensation

c) Deposition

d) Evaporation

Deposition

500

How do scientists think Titan's lakes and rivers formed?

a) From asteroid impacts

b) From volcanic activity

c) From methane rain and condensation

d) From underground springs

From methane rain and condensation