Drag+act

8J On the move

Describe how air resistance can be reduced. Explain the effect of speed on air resistance. Explain why a car needs a forwards force to keep moving at a steady speed. Explain what causes air resistance.
 * Objectives (what you will learn this lesson)**


 * Starter**
 * Review homework / key term quiz

> media type="file" key="ES8_Ja134_14vco.flv" width="360" height="270"
 * Activities**
 * 1) Discuss different types of force, what a force is and the units it's measured in
 * 2) Learn about unbalanced and [|balanced forces]
 * 3) Watch the video and learn about streamlining
 * 1) Investigate [|Streamlined shapes]
 * 2) Answer Q4, 5 from p134-5 of Exploring Science 8
 * 3) complete [|Fuel consumption]
 * 4) Extension: Read about [|Drag coefficients] and answer the questions

Review completed classwork / key term quiz
 * Summary**

Complete [|Drag act] then print it out and stick it into your book. If you have problems printing then copy and complete in your exercise book instead.
 * Homework**