EMS- L 1.4 Simulating Light and Dark on the Moon

EMS- L 1.4 Simulating Light and Dark on the Moon

By: Ms. Bailey*

​Lesson Objective:

​WBAT construct a response explaining why there is a border between light and dark on the moon using evidence from a digital model.

​What Will I Learn Today:

​The sun illuminates the half of the Moon that is facing it, and the other half is dark.

• Light from the sun travels in straight lines.

• Scientists can use models to represent their understanding of a concept.

Take out your notecards and your composition notebook.

​

Lesson Vocabulary

Orbit- To move around a star or planet

​

Rotate- to move in a circle around a fixed point.

​

Celestial- moons, stars or anything found in the universe naturally

Moon- a natural satellite that orbits a planet

Illuminate- to make something visible or bright by shining light on it.

Terminator- the line that separates the light from the dark

Sun- a star that a planet orbits around

​

Multiple Choice

what does orbit mean?

• To move around a star or planet

• To move around

• To move around while spinning at the same time

Multiple Choice

What does celestial mean?

• moons, stars or anything found in the universe naturally

• anything is outer space at any given time

• moons, stars or anything found in the universe unnaturally

Multiple Choice

what does rotate mean?

• to move in a circle around a fixed point.

• to move in a circle

• to move at an angel around a fixed point.

Multiple Choice

moon

• a natural satellite that orbits a planet

• an unnatural satellite that orbits a planet

• a natural satellite that orbits a sun

Multiple Choice

illuminate

• to make something visible or bright by shining light on it.

• to make something invisible or bright by shining light on it.

• to make something invincible

Multiple Choice

terminator

• the line that separates the light from the dark

• the line that separates the moon

• the line that separates the rocky side of the moon form the non-rocky side.

Multiple Choice

Sun

• a star that a planet orbits around

• a planet that a sun orbits around

• a celestial body that a planet orbits around

Open Ended

why is there a border between the light and dark side of the moon? What is this border called?

SS: There is a border between the light and dark side of the moon because.....

The name of this boarder is....

​We are going to silently watch a news clip from last January about how a Chinese device landed on the dark side of the moon for the first time.

​The dark side of the moon is still a big mystery that many people are trying to explore! Let’s keep learning about it today.

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Multiple Choice

Why is part of the moon dark?

• light form the sun only illuminates half the moon

• Earth's shadow is on half the moon

• the moon only makes light on one side

• clouds are blocking half of the moon's lght

• the moon is made up of light and dark rocks.

Multiple Choice

What celestial body illuminates the moon?

• the sun

• the earth

• the moon

• other stars

Open Ended

What causes some of the moon to be lit or dark?

SS: The ___ causes part of the moon to always be lit. The part that is facing the ___ is lit because____. The part of the moon that is dark is facing ____.

Open Ended

based on the top view, how does light travel from the sun?

SS: Light from the sun always travels in____.

Multiple Choice

why is only half the moon illuminated at any given time?

• because the same side of the moon is always facing the sun

• because it only has light rocks on one side of the moon

• because it only orbits half way around the earth

• because it can only reflect light on one side, not both sides.

Exit Ticket Time!

Open Ended

why does half of the moon remain in total darkness?

SS: Half of the moon remains in complete darkness because____.

Multiple Choice

moon

• a natural satellite that orbits a planet

• an unnatural satellite that orbits a planet

• a natural satellite that orbits a planet or a star

Multiple Choice

Why does half of the moon remain in complete darkness?

• Half of the moon remains in complete darkness because the moon does not rotate, so the sun can only shine on one side.

• Half of the moon remains in darkness because that is the only side we can see from earth

• half of the moon remains in darkness because it moves to fast around the earth, so only one side can be lit up by the sun.

Multiple Choice

what does orbit mean?

• To move around a star or planet

• To move around

• To move around while spinning at the same time

Multiple Choice

illuminate

• to make something visible or bright by shining light on it.

• to make something invisible or bright by shining light on it.

• to make something invincible

Multiple Choice

terminator

• the line that separates the light from the dark

• the line that separates the moon

• the line that separates the rocky side of the moon form the non-rocky side.

Multiple Choice

what does rotate mean?

• to move in a circle around a fixed point.

• to move in a circle

• to move at an angel around a fixed point.

Multiple Choice

Sun

• a star that a planet orbits around

• a planet that a sun orbits around

• a celestial body that a planet orbits around

Multiple Choice

Why is part of the moon dark?

• light form the sun only illuminates half the moon

• Earth's shadow is on half the moon

• the moon only makes light on one side

• clouds are blocking half of the moon's lght

• the moon is made up of light and dark rocks.

Multiple Choice

What does celestial mean?

• moons, stars or anything found in the universe naturally

• anything is outer space at any given time

• moons, stars or anything found in the universe unnaturally

Multiple Choice

why is only half the moon illuminated at any given time?

• because the same side of the moon is always facing the sun

• because it only ha light rocks on one side of the moon

• because it only orbits half way around the earth

• because it can only reflect light on one side, not both sides.