The verb to weigh and the noun weight are used in conflicting ways, even in science. You cannot hope to clear up the great...

Teaching Guidance 14-16

An interesting challenge for teaching in this area is prompted by those pictures of astronauts in spacecraft, orbiting the...

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

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

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

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 5-11

The GRACE satellites, (see also page 6), use microwave beams to measure tiny changes to distributions of mass in the Earth...

Stories from Physics 11-14 14-16