What to say when a child asks a science question you can't answer
“Why does that one fall faster?”
Imagine a child dropping a flat piece of paper beside a scrunched one. They notice a difference and turn to you for the explanation. You have a vague memory of air resistance, but you are not quite sure how to explain it.
You can be honest and still give them somewhere useful to go.
Try: “I'm not sure of the whole explanation yet. Let's look closely at what happens, then check what might explain it.”
Here is how that conversation could become a short investigation, without asking you to deliver a science lecture on the spot.
Find out what they are asking
Start with “What did you notice?”
Perhaps they are interested in the flat sheet wobbling. Perhaps they think scrunching makes paper heavier. Those are different questions, so pause before choosing an answer.
If a child suggests an explanation, make room for it without confirming it too quickly: “You think the scrunched paper is heavier. How could we check that?” If suitable scales are available, you could weigh a sheet before and after scrunching it. Keep every piece of the sheet.
Without scales, you can still point out that you have changed the shape without adding or removing paper. Save the weighing question for another time rather than pretending you have measured it.
Make the question small enough to test
For this activity, ask: What happens when we drop two matching sheets, one flat and one scrunched?
Use two sheets of the same size and type. Scrunch one into a loose ball and leave the other flat. Work in a clear indoor space away from strong draughts, with an adult supervising. Drop only paper from a comfortable, reachable height; no climbing or throwing is needed.
Hold the sheets at the same height, separated so they will not touch. Start with the flat sheet's broad face towards the floor.
Ask children to predict what they might see.
Release both without pushing them down. An adult can do this if coordinating the release is tricky.
Watch which reaches the floor first and how each moves.
Repeat a few times, returning to the same starting height.
Children can point, draw the paths through the air or describe what they saw. If the drop is too quick to judge, say so. “We couldn't tell that time” is a useful observation.
Keep observations and explanations separate
You might hear, “The scrunched one landed first,” or “The flat one went sideways.” Those describe what happened.
“The scrunched one must be heavier” is an explanation to examine. Ask whether the test actually measured weight. Help children keep track of the difference without turning the discussion into a test of who is right.
You can model this distinction yourself: “We saw the flat paper flutter. I think the air has something to do with it, but I want to check.”
Check the science, then return to the question
A short explanation for children is: “Gravity pulls the paper down. The air pushes against it as it falls. Changing the paper's shape changes how it moves through the air.” NASA's guidance explains both air resistance during a fall and how shape affects drag.
The broad, flat sheet will often flutter down more slowly than the scrunched sheet. The way it turns and the air moving around it can affect what you see.
Keep the conclusion modest. This activity compares two paper shapes. It does not settle every question about whether heavier objects fall faster, and you do not need to introduce all of that physics at once.
If you check the explanation later, come back to the children with it: “Remember our paper question? Here's what I found.” That closes the loop rather than leaving “let's find out” as a polite way to move on.
You can also decide not to test something
Not every question is suitable for an immediate experiment. If it involves electricity, heat, chemicals, an unknown substance or an animal, pause and find an appropriate source or safer approach first.
For a low-risk question like falling paper, you can begin with careful noticing and a manageable test. You do not need a polished answer before the conversation can start.
Want to discuss a STEM workshop for your group? Contact Beyond the Beanstalk with the questions or topics your children are interested in.
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