We know Earth’s climate is changing because of the evidence scientists have collected
The Short Answer: Scientists have been observing Earth for a long time.
Learn new things about living things all over the planet.
They have hard calcium carbonate skeletons like clams.
You won’t need a campfire for these.
Lid should have flaps so that the box can be closed tightly.
We answer some of your biggest questions!
A Guide to Climate Change for Kids Have you heard your parents or people in videos
Climate change describes a change in the average conditions in a region over a long period of time.
NASA scientists have observed Earth’s surface is warming, and many of the warmest
Learn new things about our planet.
You may have heard of the Ice Age on Earth.
Ocean acidification is a change in the properties of ocean water that can be harmful for plants and animals.
Scientists have observed that the ocean is becoming more acidic as its water absorbs
In general, clouds help Earth cool off — but that isn’t the whole story. Read on to learn more about how clouds affect climate!
Credit: NASA/JPL-Caltech Secondly, clouds also have an important effect on Earth
Tree rings can provide information about past climate!
But to understand what the trees tell us, we first have to understand the difference
Scientists use computer programs called climate models to understand our changing planet.
We don’t have a spare Earth that we can use for experiments, so the model lets us
