Site Contributor, SAFARI Montage
For a lesson on the relationship between forces and motion, including balanced and unbalanced forces, the forces involved in flight, and Newton's 3rd Law of Motion.
|Playlist Running Time:||5 min 18 sec|
|Grade Range:||5 - 6|
|Bookmark of Everything in the universe is in motion; forces put things in motion by pulling or pushing; when something is at rest, it stays at rest unless acted on by an outside force; when something is in motion, it stays in motion unless acted on by an outside force.||Video||53 sec|
|Comments: Explain how force is related to motion.|
|Bookmark of What is Force & When are Forces Balanced?||Video||58 sec|
|Comments: What is a force? Give an example of forces that are balanced and forces that are unbalanced.|
|Bookmark of Birds use their wings to generate thrust, or forward motion, and lift, or upward motion; wings and feathers are potent symbols in mythology.||Video||29 sec|
|Comments: How do birds generate the forces that make them fly? What term describes the force that causes forward motion in a bird? What term describes the force that causes upward motion in a bird?|
|Bookmark of Forces of Flight: Glider||Video||37 sec|
|Comments: In terms of forces and motion, explain the similarities and differences between a flying glider and a flying bird.|
|Bookmark of Investigation: Students build a balloon rocket and explore different ways to alter its speed in order to test Newton's third law of motion.||Video||2 min 21 sec|
|Comments: Describe the force that causes the balloon to move along the string. Gather the appropriate materials and perform the experiment as shown in the clip. Conduct multiple trials using different amounts of air in the balloon (full, 1/2 full, 1/4 full, etc.). Use a table to record the distance and time for the balloon in each trial, then calculate the speed of the balloon in each trial. Create a properly-labeled bar graph comparing the amount of air in the balloon to the speed of the balloon. How does the amount of air in the balloon relate to the motion of the balloon? Explain using the data in your bar graph.|
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