This term we'll explore living things, changing materials, our restless planet, and electricity. But across all of it, we'll work the way real scientists do. Today is about how scientists think.

You've done investigations before. Let's wake up what you already know.

Every fair test has three jobs for its variables — the things that could change. Get these three right and your test will be fair.

Let's see the three jobs in action. We'll roll a toy car down a ramp — and change only the height.

A prediction is not a wild guess. It's a reasoned guess — it says what you think will happen, and why.

Now let's plan some together. Whiteboards ready — everyone commits to an answer!

Your turn to plan a fair test on your own. Here's your investigation:

On your planning sheet, write:

Last challenge before we finish…