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Simple Machines and Catapults
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Simple Machines and Catapults
🔧 Part 1: Simple Machines Knowledge
1. How many simple machines are there in total?
4
6
8
10
2. Which simple machines can be found in a catapult? (Tick all that apply)
Lever
Pulley
Wedge
Wheel and axle
3. Match each simple machine to its main function:
Inclined plane
Screw
Pulley
Lever
Lifts heavy objects using ropes
Holds objects together tightly
Reduces effort when moving up heights
Multiplies force using a pivot point
4. Complete the sentence: A catapult works as a _______ class lever because the fulcrum is at one end, the load is in the middle, and the effort is at the other end.
first
second
third
⚡ Part 2: Energy Transfer in Catapults
5. Describe the energy transfer that occurs when using a catapult, from loading to launching:
6. What type of energy is stored in a catapult when it is pulled back and ready to fire?
7. Explain why changing the angle of a catapult affects how far the projectile travels:
💭 Part 3: Reflection
8. What was the most interesting thing you learned about simple machines during our catapult activities?
9. Describe one way you could improve the design of your catapult to make it more effective:
10. Give two examples of simple machines you use in everyday life and explain how they make tasks easier:
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