How could you move something without touching it?
Why do belly flops hurt so much?
How can you change the speed of a slide?
What do all leaves have in common?
Where did the stars come from? And the Sun? How was our Earth created? And what about the rest of the Universe?
Where did life on Earth come from? How has life shaped what Earth looks like today?
Can you hear sound? Can you feel it? Can you see it?
Did you know that you use the scientific method everyday without even knowing it?
Is there any nature in the city?
Can you imagine how long it would take you to dig out a canyon?
What do you and Earth’s surface have in common?
How do we know that air exists? What makes air move?
What makes the stars shine? How far away are they? Why is a year 365 days? Why don’t we float off into outer space?
Do humans drink the same water that dinosaurs drank?
What would you find if you went outside and dug a hole into the Earth? What if you kept digging past all the roots, the bugs, and the dirt, and kept digging down further?
Why does sand settle to the bottom of the ocean, but salt mixes in? How do people get sea salt out of the sea?
Could you tell the difference between sugar and salt without tasting them? Have you ever seen a crystal up close? How are crystals made?
You may know the Story of Numbers, but have you heard the Story of the Elements? When did people first discover gold? How did people discover oxygen if they couldn't see it?
Can water get stuck in the water cycle?
Which parts of a plant have you eaten before?
What does a plant need in order to grow?
Why do some places experience more erosion than others?
What do plants eat?
Why are rivers so windy? Why don’t they flow straight?
How does Earth stay warm? Why is Earth getting warmer?
How do plants get what they need to survive? Can they move to find it?
Why does the sun rise and set everyday? What if one day it didn’t?
How is all of the land on Earth made? Where does the rock we live on come from?
Do liquids all freeze at the same temperature?
What are the differences between ice, water, and steam? What are the similarities between water, juice, and milk?
When did we start using fire? What 3 components does fire need to burn?
Have you ever seen a mushroom-shaped rock?
What has a mouth but never talks? What has a bed but never sleeps?
Who (or what) makes the wind? Do we need the wind? What do we use the wind for?
Why is it always hotter in Brazil than it is in Antarctica?
Close your eyes for 5 seconds. Did you feel the ground moving? Is it true that North America is moving further away from Europe?
What is a force? Do we have force? Do solids have force? What about liquids and gases?
What is an animal?
Is clay a solid even though you can change its shape? Why is it easy to pour water, but hard to pour honey?
What do sand, sea glass, and peninsulas have in common?
What do canyons and waterfalls have in common?
What could be strong enough to crack a boulder?
Why does it get darker earlier during the winter? Why is it colder?
What makes the ground shake during an Earthquake? Could one happen where you live? What about a volcano? Why do some erupt, and some don’t?
How does panning for gold work? Why is it hot at the top of a pool, and colder at the bottom?
Why do some mountains have stripes?
How do suction cups work? Is there anything they can’t stick to?
A 5-min lesson on using Learn Libre.
