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Aliens!
Life on Another Planet
Let's Explore!
Today, you are an astronaut.
Let's Explore Space!
Your mission is to explore space and learn about alien life.
Warm-Up Questions
Get ready for your mission!
Is Earth alone?
You will be in space for six months.
You can bring one special item from home.
What will you bring?
Answer 3 questions before you go into space:
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1. Are humans alone in space?
Yes or no? Tell me why.
Do other planets have life, too?
I think only Earth has life on it because...
I think other planets have life on them because...
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Have aliens been to Earth before?
Do you think other aliens have visited us?
Did they visit before there were humans?
Sometimes, pieces of rock from space fall to the Earth.
Some scientists think they may have alien life.
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Will humans ever see an alien?
What do you think?
In how many years will people be able to see an alien?
What do you think the alien will look like?
50 100 1000 1,000,000
fifty one hundred one thousand one million
10 years = 1 decade 100 years = century 1000 years = millennium
Your Mission
Your job is to learn about The Red Planet and then explore it.
The Red Planet
The Story
Read the Story
Once upon a time, there was a beautiful planet.
The planet was warm, and there was plenty of water for animals.
Read the Story
But then, something happened.
All of the water disappeared, and the planet became very cold.
Was there life on Mars?
The Red Planet
The Red Planet
The Red Planet is another name for _____.
Why is the planet red?
It is red because...
a). the sun makes it red.
b). chemicals in the air.
c). the type of rocks and soil.
The Red Planet
Is Mars actually red?
Small pieces of rock become dust.
The dust gets stuck in the air.
That is why Mars looks red from space.
What is it like on Mars?
What is the temperature like on Mars?
What kind of weather can Earth have?
I think the temperature is ______.
On Earth, it can ______.
a). very hot
b). like Earth
c). very cold
a). be windy
b). be cloudy
c). rain/snow
What kind of weather can Mars have?
Life
Why is Mars cold?
When you are cold at home, what do you do?
When I am cold, I...
Why does a blanket make us warm?
The Earth has a blanket too.
The Earth's air traps heat and sunlight inside.
But Mars doesn't have a blanket of air to keep it warm.
What do animals need to live?
Plants need ____ and ____ to grow.
Animals need ____ and ____ to live.
If there is no more water, then....
If there is no more heat from the sun, then....
Where did the life on Mars go?
Mars became too cold.
The water disappeared.
What happened to the plants and animals?
I think life on Mars....
extinct = all died
Dinosaurs are extinct.
a). went extinct.
b). moved underground.
Mission to Find Life
NASA has been interested in Mars.
Why do scientists want to study Mars?
Space Mission for Life
hint: many people live on Earth
Mars might make a good home because...
a). maybe plants can grow there
b). there is still water on the planet
c). it's very warm
Looking for Life
Was there life on Mars?
A long time ago, Mars had a lot of water!
Even though the water is gone, there is one spot on Mars that has ice!
Could something be living under the ice?
I think there is (not) something under the ice because...
...it is too cold ...there is no air ...there is no light.
Bacteria!
Some bacteria on Earth lives 600 meters underground.
What do animals need to live?
These bacteria don't need _____ or _____!
Do you think this bacteria might be living under the Mars ice?
February 2021
July 2020
The Robot
Scientists want to know if bacteria live on Mars, too!
They sent a special robot to Mars to look for life.
The robot's name is Perseverance. (per-seh-veer-uns)
Perseverance = trying hard even though it is difficult
Why is Perseverance a good name for the robot?