Unit Review - Solar System

The Solar System

Understanding the Earth, Moon, and Sun

Earth and Sun

• Earth, the planet we live on, is a rocky sphere covered in water.

• Earth revolves around the Sun, a large ball of hot gas.

• The Sun appears to be the biggest star in the sky because it is so close. In reality, the Sun is medium-sized.

• The Sun provides the Earth with heat and light. Without it, all life on Earth would die.

Multiple Choice

The Sun is a _____.

• Planet

• Star

• Moon

• Asteroid

Multiple Choice

The Sun is shaped like a ball.

What is our Science word for this shape?

• Sphere

• Cube

• Cone

• Cylinder

Multiple Choice

The Sun is very, very hot.

What state of matter is the Sun?

• Solid

• Liquid

• Gas

Multiple Choice

Why is the Sun important to Earth?

• It provides heat and light

• It looks really pretty in the sky

• It keeps aliens from invading

Multiple Choice

What would happen if there was no Sun?

• All life on Earth would die.

• We would need to make stronger lightbulbs.

• People would feel excited to build more snowmen.

Open Ended

The Sun appears very big because ___.

The Sun appears very big but really ___.

The Solar System - the Planets

• The Solar System has 8 planets, that revolve around the Sun due to its strong gravity.

• The Inner Planets, which are close to the Sun, are small and hot spheres of solid rock and metal, with no rings and few moons.

• The Outer Planets, which are far from the Sun, are big and cold spheres of gas and ice, with rings and many moons.

Fill in the Blank

The Solar System has __ planets.

(Just the number!)

Multiple Choice

When the planets are in order from the closest to the Sun, what number is the Earth?

• First

• Second

• Third

• Last

Drag and Drop

The Sun has strong gravity because it´s so ​

Placeholder

, but the Sun appears to be the brightest star because it's so ​

Placeholder

.

Drag these tiles and drop them in the correct blank above

heavy

close

yellow

Reorder

Reorder from biggest to smallest.

• Sun

• Earth

• Moon

1

2

3

• 1
• 2
• 3

Categorize

Options (12)

Close to the Sun

Far from the Sun

Small and hot

Big and cold

Solid rock and metal

Gas and Ice

Mercury, Venus, Earth, and Mars

Jupiter, Saturn, Uranus, and Neptune

Few Moons

Many Moons

No rings

Rings

Sort these properties.

Inner Planets

Outer Planets

Open Ended

Describe the differences between the Inner and Outer Planets.

​Review - Earth's Movements

• ​Earth takes one year to revolve around the Sun.

• ​Earth takes one day to rotate on its axis.

• ​The Sun appears to rise and set in Earth's sky, but really, the Earth is rotating so only half of it can see the Sun at one time.

Dropdown

To revolve means to ​

Select answer

, but to rotate means to ​

Select answer

.

Dropdown

Earth revolves around ​

Select answer

, but rotates around ​

Select answer

.

Dropdown

A revolution takes one​

Select answer

, but a rotation takes one ​​

Select answer

.

Categorize

Options (6)

To travel around

To spin

Around the Sun

Around the axis

One Year

One Day

Sort these descriptions.

Revolve

Rotate

Open Ended

Describe the difference between revolve and rotate.

Dropdown

The Sun appears to rise in the ​

Select answer

and set in the ​

Select answer

.

Dropdown

When your part of Earth faces towards the Sun, it is ​

Select answer

, but when your part of Earth faces away from the Sun, it is ​

Select answer

.

Dropdown

It is Daytime when your part of Earth ​

Select answer

the Sun, and Nighttime when your part of Earth ​

Select answer

from the Sun.

Fill in the Blank

The Sun appears to rise and set one time every ___ hours.

(Just the number!)

Open Ended

"The Sun appears to rise and set but really ___."

​Time Zone Math

• A Time Zone is a place where all clocks are set to the same time.​

• When we travel across Time Zones, we need to change our clocks.

• Each Time Zone we travel west, we move our clock one hour earlier.

• ​Each Time Zone we travel east, we move our clock one hour later.

Multiple Choice

When we travel across Time Zones ____. 

• Nothing happens

• We change our clocks

• Earth stops rotating

Multiple Choice

It is a different time in other places because ___.

• No one else understands how to set their clock

• Each country gets to choose its own time

• The sunlight reaches different places at different times

• Clocks break when they are mailed across the ocean

Multiple Choice

We have 24 Time Zones because _____.

• Earth takes 24 hours to rotate on its axis

• Earth takes 24 hours to revolve around the Sun

• The Sun takes 24 hours to revolve around the Earth

Open Ended

"There are 24 Time Zones because ____"

Fill in the Blank

The continental US has ___ Time Zones. 

Multiple Choice

Boston is in the ___ Time Zone.

• Pacific

• Mountain

• Central

• Eastern

Labelling

Label the Time Zones

Drag labels to their correct position on the image

Central

Mountain

Eastern

Pacific

Dropdown

When we travel West (towards California), the time gets ​

Select answer

, but when we travel East (towards Boston), the time gets ​

Select answer

.

The Moon

• The moon is a rocky sphere that revolves around the Earth.

• It formed when an another planet crashed into ancient Earth, and the debris packed together due to gravity.

• The moon appears to travel across our sky when Earth rotates.

• As the moon revolves around the Earth, we see different amounts of the lit-up side, which creates shapes we call phases.

Dropdown

The Earth revolves around ​

Select answer

, but the moon revolves around ​

Select answer

.

Drag and Drop

Earth's revolution takes ​

Placeholder

, but the moon's revolution takes ​

Placeholder

.

Drag these tiles and drop them in the correct blank above

one year

one month

one day

Dropdown

The moon appears to rise in the ​

Select answer

and set in the ​

Select answer

.

Drag and Drop

The moon appears to rise and set because ​

Placeholder

, but the moon has different phases because ​

Placeholder

.

Drag these tiles and drop them in the correct blank above

the Earth is rotating

the moon is revolving

the moon is rotating

the Earth is revolving

Multiple Choice

The moon gets its light from _____.

• The fire in its core

• Other stars in the galaxy

• The Sun

Multiple Choice

The moon appears to change shape, but in reality, ____.

• It is changing shape.

• It is always the same shape. 

Match

Match the phase to its name.

New Moon

Full Moon

Quarter Moon

• New Moon

• Full Moon

• Quarter Moon

Match

Match the diagram to its name.

Full Moon

Quarter Moon

New Moon

• Full Moon

• Quarter Moon

• New Moon

Open Ended

"We see phases of the moon because ___.

We see phases of the moon but really ___."

​Eclipse

• ​An "Eclipse" is when one object blocks the light from another object.

• ​Eclipses are named for the object whose appearance changes.

• ​In a Solar Eclipse, the Sun is covered by the moon.

• ​In a Lunar Eclipse, the moon turns red as Earth blocks the Sun's light.

Multiple Choice

When one object blocks the light from another object, we call it _____.

• Obscurity

• Eclipse

• Hide-and-Seek

Multiple Choice

Eclipses get named for _____.

• The object in the way

• The object that changes appearance

• Nobody knows

Categorize

Options (12)

Sun changes appearance

Moon changes appearance

Small part of Earth can see

Half of Earth can see

Moon is in the way

Earth is in the way

Happens during New Moon

Happens during Full Moon

Sort these Properties

Solar Eclipse

Lunar Eclipse

Open Ended

Describe one difference between a Solar and a Lunar Eclipse.

Multiple Choice

Why don't we see an Eclipse every month?

• Sometimes scientists can't predict them

• The Moon's revolution is tilted

• The Moon doesn't revolve every month

What are Tides?

• ​Tides are the rise and fall of ocean water levels.

• ​At high tide, water levels are high and the water feels deep.

• ​At low tide, water levels are low, and the water feels shallow.

• ​When we visit a beach, we can see two high tides and two low tides every day.

Multiple Choice

Most things are attached to the Earth and cannot be pulled by the moon.

But _____ can be pulled by the moon's gravity.

• People

• Water in the ocean

• Trees on mountains

Dropdown

During High Tide, the water feels ​

Select answer

, but during Low Tide, the water feels ​

Select answer

​The moon's gravity causes Tides

• ​We see high tide when our part of Earth faces towards the moon, or totally away from the moon.

• ​Since Earth takes 24 hours to rotate one time, we see high tide every 12 hours.

• ​When we have high tide, places 6 Time Zones away have low tide, because we're borrowing their water.

Multiple Choice

We see tides because _____.

• The moon revolves

• The Earth revolves

• The Earth rotates

Multiple Choice

It is high tide when our part of Earth is ______ the moon.

• Facing towards or directly away from

• 90 Degrees away from

• Only facing towards

Labelling

Determine the tide that each region would be experiencing:

Drag labels to their correct position on the image

High tide

Low tide

Multiple Choice

When it is high tide by us, it is low tide _____.

• Everywhere else

• 6 Time Zones away

• 12 Time Zones away

Multiple Choice

When it is high tide by us, it is also high tide _____.

• Everywhere else

• 6 Time Zones away

• 12 Time Zones away

Multiple Choice

The Sun affects the tides less than the moon does because _____.

• The Sun is smaller than the moon.

• The Sun is farther away than the moon.

• The Sun is less magnetic than the moon.

Multiple Choice

We see the highest high tide when the Sun, Moon, and Earth form a straight line.

This happens during _____ Moons.

• Full and New

• Quarter

Multiple Choice

We see the lowest high tide when the Sun, Moon, and Earth form a right angle.

This happens during _____ Moons.

• Full and New

• Quarter

Open Ended

Describe what is happening when we see a High Tide.