What are the three main phases of matter?

Atoms, molecules, and particles

Why are solid objects like a baseball hard and firm?

Because their molecules are tightly packed together

Because their molecules are spread out

What happens to the shape of a liquid when it is poured into a container?

It takes the shape of the container

What happens to a gas when it is released from a container, like a soda can?

It spreads out to fill the space around it

Which of the following is true about water on Earth, according to the lesson?

Water exists in all three phases: solid, liquid, and gas.

Water exists only as a liquid on Earth.

Water exists only as a gas on Earth.

Water exists only as a solid on Earth.

What evidence did NASA find on Titan, one of Saturn’s moons?

Evidence of lakes and seas on its surface

What makes Titan significantly colder than Earth?

It is 10 times farther from the Sun than Earth.

What is unique about Titan compared to other bodies in the solar system?

It has standing bodies of liquid.

It is the largest moon in the solar system.

It is the closest moon to Saturn.

How does Dr. Molaska simulate Titan's lakes in his laboratory?

By using liquid nitrogen to cool methane into a liquid state.

By using water and ice to mimic Titan's surface.

By using a telescope to observe Titan's lakes directly.

By heating hydrocarbons to create a gas.

Why is collaboration important in studying Titan?

Because it requires expertise from different scientific fields.

Because Titan is too far for one person to study alone.

Because Titan's data is too complex for computers to analyze.

Because it is the only way to operate the Cassini spacecraft.

Which of the following is the main focus of this unit about Titan?

The surface temperature of Titan

According to the email from Dr. Flores, what are scientists at the Universal Space Agency investigating?

The disappearance of a methane lake on Titan

The formation of Saturn's rings

The composition of Titan's atmosphere

The orbit of Titan around Saturn

Based on the images from 2007 and 2009, what change occurred to the lake on Titan?

The lake changed color due to pollution

What did Voyager 1 discover about Titan's atmosphere during its flyby in 1980?

It contained nitrogen and methane forming complex molecules.

It was composed entirely of oxygen.

It was identical to Earth's current atmosphere.

How do scientists simulate Titan's atmospheric chemistry in a lab?

By combining nitrogen and methane and adding electricity.

By freezing water and methane together.

By using only sunlight to mimic Titan's energy.

By heating nitrogen to high temperatures.

Why is Titan considered an important location for studying the origins of life?

Its chemical processes resemble Earth's early conditions.

It contains large amounts of oxygen and water.

It has a warm climate suitable for life.

It has no atmosphere, making it easier to study.

What is unique about Titan's surface compared to Earth's?

Methane exists as a liquid, forming lakes and rivers.

It has no landforms or surface features.

Its surface is entirely covered in ice.

It has liquid water rivers and lakes.

What was the purpose of NASA's Cassini mission regarding Titan?

To take detailed pictures and readings of Titan's surface.

To study Titan's atmosphere from Earth.

To explore Titan's underground caves.

Interactive Video

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Science

•

8th Grade

•

Practice Problem

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Easy

•

NGSS

MS-PS1-4, MS-PS1-2, MS-LS2-1

Standards-aligned

Molly McLaughlin

Used 1+ times

FREE Resource

66 questions

Show all answers

SLIDE QUESTION

1 min • Ungraded

MATCH QUESTION

1 min • 1 pt

What do you already know about phases of matter?

holds its shape

Liquid

fills the entire volume of its container

Gas

ionized gas with free electrons

Plasma

takes the shape of its container

Solid

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

SLIDE QUESTION

1 min • Ungraded

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is an example of a phase change?

Water boiling to become steam

Salt dissolving in water

Iron rusting

Paper burning

Tags

NGSS.MS-PS1-4

LABELLING QUESTION

1 min • 1 pt

Label the diagram with the appropriate word to describe changing the state of matter.

sublimation

melting

condensation

deposition

freezing

evaporation

imitation

Tags

NGSS.MS-PS1-4

DROPDOWN QUESTION

1 min • 1 pt

On the stove, when I heat water until it bubbles to cook something, the water is changing from a (a) to a (b) . This state of matter change is called (c) .

liquid

gas

evaporation

solid

condensation

sublimation

Tags

NGSS.MS-PS1-4

HOTSPOT QUESTION

1 min • 1 pt

Look at the picture. Which beaker represents the molecules of a liquid?

Tags

NGSS.MS-PS1-4

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Phase Change 1.2

66 questions

What do you already know about phases of matter?

Which of the following is an example of a phase change?

Label the diagram with the appropriate word to describe changing the state of matter.

On the stove, when I heat water until it bubbles to cook something, the water is changing from a​ (a) to a ​ (b) . This state of matter change is called ​​ (c) .​

Look at the picture. Which beaker represents the molecules of a liquid?

What do you think is different about the water in each cup? Describe as many differences as you can.

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On the stove, when I heat water until it bubbles to cook something, the water is changing from a (a) to a (b) . This state of matter change is called (c) .