Topic 07Science
Physics — Forces and Energy
Physics — Forces and Energy — Cambridge Lower Secondary Science 0893, Stage 7. Energy changes and dissipation; Gravity and motion in a vacuum.
12
Energy changes and dissipationSign up
Describe changes in energy that are a result of an event or process. · Know that energy tends to dissipate and in doing so it becomes less useful.
30 min
Gravity and motion in a vacuumSign up
Describe gravity as a force of attraction between any two objects and describe how the size of the force is related to the masses of the objects. · Understand that there is no air resistance to oppose movement in a vacuum.
30 min