What tool helps Ana see tiny details on a flower petal?

What tool should Ben use to cut thin cardboard for an activity?

Liza needs to find her notebook's length in centimeters. What tool should she use?

Ben has shorter hand spans than Liza. Who needs more spans to measure the same desk correctly?

What is the pictured strip's length in centimeters?

Look at the measuring units. How should their placement change before measuring a desk?

What pattern appears in this fingerprint?

What happens to a rubber balloon while Ana inflates it?

Where should Ana point a balloon's opening so escaping air pushes a nearby ball?

What makes a clay ball easier to start moving with a gentle push?

What shape do a marble and a ping-pong ball share?

Ana has a balloon, ball, ruler, and starting line. Which question can she test with these tools?

Why does a hard-boiled egg usually spin more smoothly than a raw egg?

Ana shortens a plastic strip's overhang and plucks it again. How does its pitch change?

What movement does a plucked plastic strip make while producing sound?

A clay ball sinks. What form could help the same piece stay on the water's surface?

Ana changes her clay boat's shape after it sinks. How can she check whether the change helped?

Why might a clay boat sink sooner with ordinary glass marbles than with the same number of paper clips?

How can a group decide which clay boat carries the greatest load of identical paper clips?

How should Ana pass scissors to a classmate?