Primary Focus Science Clips

1. The forces involved in some magic tricks

   Duration: 01:45

2. Levers, compression and pneumatic force

   Duration: 02:33

3. What is air resistance?

   Duration: 02:52

4. How does friction work as a force?

   Duration: 02:30

5. Why do Brent Geese come to Strangford Lough in Northern Ireland?

   Duration: 02:54

6. How does friction affect speed?

   Duration: 01:37

7. Science challenge - testing knowledge of forces

   Duration: 03:56