Friction is a force that can be felt, which means that learners with visual impairments can experiment to feel and understand the concept of friction. They slide a rock along a smooth table, and then they slide a rock across sandpaper, comparing and discussing the differences they feel. A string and a spring scale are added into the mix to help them learn how constant velocity and Newtons of force relate to friction.

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Pros

• This quick activity can be added into any full lesson plan
• It is specifically designed for learners with visual impairments

Cons

• The activity description is a bit short and no background information is provided. It would be best used as a supplimental activity