Our Medium-Sized Sun

Argue from evidence: the sun looks biggest and brightest because it's the closest star, but it's medium in size and brightness.

Warm-up, learn, try it together, practice, then a quick check. About 15 minutes.

What children learn in Level 5

In the sky, the sun looks like the biggest, brightest star of all. But is it really?
Scientists make a claim, then back it up with evidence: facts that show the claim is true. Here's our claim.
Evidence: Many stars are hundreds of times wider than the sun. And Sirius gives off much more light than the sun.
Evidence: The sun is much closer to us than any other star. Close things look bigger and brighter. That's why the sun seems the biggest and brightest.
Your turn! Which sentences are evidence for the claim? Sort them.

Georgia Standards of Excellence in Science:

S2E1.b — Construct an argument to support the claim that although the sun appears to be the brightest and largest star, it is actually medium in size and brightness.