The term ‘mass’ is derived from the Latin massa meaning a lump of dough or paste. In many ancient cultures, despite...

Stories from Physics 11-14 14-16

The old riddle that asks whether a pound of feathers is heavier than a pound of lead is not as simple as it seems. Some...

Stories from Physics 11-14 14-16

Researchers have recently attempted to answer the questions of why the largest animals are not the fastest. They suggest that...

Stories from Physics 11-14 14-16

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

Once again, here is a distinction made in the sciences that everyday conversations don't bother with. Statements such as: The...

Teaching Guidance 11-14

During his time in Venice, Galileo and a friend sent letters to a Jesuit priest pretending to be a rich widow with religious...

Stories from Physics 11-14 14-16

There isn't a place on the face of the Earth where there is no gravity acting. This means that every object we ever come...

Physics Narrative 11-14

Here you've learnt about gravity as a force, linking it to experiencing weight and weightlessness. Knowing about the forces...

Physics Narrative 11-14

Your stack seems to defy gravity! You have to shift the blocks by tiny amounts towards the end, so it’s extremely difficult to...

Enrichment Activity 5-11 11-14

A paper has considered whether it is possible to jump into orbit on a body of small mass, such as Mars’s moon Deimos. The...

Stories from Physics 11-14 14-16

The force due to the weight of the jars makes them rotate as well as move down the slope. The empty jar’s mass is around its...

Enrichment Activity 5-11 11-14

The equations of Newtonian and relativistic gravitation do not exclude the possibility of negative mass. Counterintuitively...

Stories from Physics 11-14 14-16