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National STEM Learning Centre and Network
National Science Learning Network: Design and Technology Resources
These materials, from the National Science Learning Network, look at electronics, electricity, robotics and control. A range of activities include teachers' notes as well as student activity sheets.
Topics on electricity are aimed to give support and guidance to teachers through articles on:
*current
*resistance
*voltage
There are also a range of activities which help students to look at generating and controlling movement.
In these, students make devices that include:
*an electric racer
*a screw thread linear actuator
*a muscle wire actuator
*a rotating arm actuator
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Make It Move: Linear Actuator
In this design challenge from the National STEM Learning Centre and Network, students make a linear actuator. The lead screw linear actuator uses a motor driven screw thread to move a threaded slider along its length. Limit switches turn off the motor when the slider...
Make It Move: Muscle Wire Actuator
In this design challenge from the National STEM Learning Centre and Network, students construct a lever that is moved by muscle wire. This is a conductor that contracts when an electric current is passed through it. The wire movement controls a lever.
...Make It Move: Rotating Arm Actuator
In this design challenge from the National STEM Learning Centre and Network, students make a rotating arm actuator. This uses a geared dc motor to turn a friction fit arm. Two cams can be set at different angles to operate limit switches to control the movement of the...
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| Subject(s) | Design and technology, Electronics, programming and control, Science, Physics |
|---|---|
| Age | 14-16, 16-19 |
| Published | 2010 to 2019 |
| Published by | 
Submitted by codeenigma-prod... on
|
| Direct URL | https://www.stem.org.uk/cx5qa |
