The glass pushes inwards on the Malteser, forcing it to move in a circle rather than a straight line. But the angle of the...

Enrichment Activity 5-11 11-14

As the air rushes out it pushes back on the balloon propelling it forward.

Enrichment Activity 5-11 11-14

All the beads should “flow” out of the container without help. When they’re moving fast they should even jump higher than the...

Enrichment Activity 5-11 11-14

Air resistance means that when dropped separately, the book and paper hit the ground at different times. But when they are...

Enrichment Activity 5-11 11-14

A vortex of air is pushed out of the bottle by the balloon, ruffling everything it passes. How far will the vortex travel?

Enrichment Activity 5-11 11-14

When you swirl the water, it forms a vortex like a tornado and flows much faster into the lower bottle. Air from the lower...

Enrichment Activity 5-11 11-14

The tennis ball should bounce a lot higher than before. When the balls hit the ground, momentum from the basketball was...

Enrichment Activity 5-11 11-14

For something to balance, its centre of mass has to be above its point of support. Water can flow which means that as the can...

Enrichment Activity 5-11 11-14

The egg doesn’t go flying because the sideways force is only on the mat and the bottom of the tube, not the egg.

Enrichment Activity 5-11 11-14

Believe it or not, you can’t break it by squeezing it! An egg’s arched shape makes its structure as strong as possible, so...

Enrichment Activity 5-11 11-14

The egg doesn’t break because the salt water spreads the impact across the whole egg. Try dropping the egg in the bottle...

Enrichment Activity 5-11 11-14

The forks can hang off the side because all the forces are balanced

Enrichment Activity 5-11 11-14