Skin And the Sense of Touch is a great activity for your human body or nervous system unit! Students learn about their sense of touch by testing the skin on the back of their hand, lower arm, leg, and palm for sensitivity to touch, pressure, cold and heat. They're so surprised to learn that they can't feel every sensation at every location on their hand, and that there are places on their arm and leg where they don't even feel a touch at all!
This is an activity I did in my own seventh grade classes year after year. It's really engaging and middle school kids love learning new things about themselves!
Click on the "Download Preview" button to see sample pages from the activity.
The activity supports the teaching of the Next Generation Science Standard MS-LS1-8 Information Processing. It also supports the ELA CCSS RST.6-8.7 Integrating information expressed in words with information expressed visually in a graph, table, etc.
The activity requires the following materials:
1 Fine felt tip marker
1 dull pencil
Container for water. May be used for both the ice and the hot water used in the lab.
1 large size paper clip.
Ice or ice water.
Very warm/hot water.
2 Toothpicks (with pointed ends)
1 Copy of lab instructions.
Student answer sheets (1 per student).
Preparation includes making a tool for measuring the distance between sensors in the skin. The tool is made from printable cards (included) glued to cardboard, with holes made for the toothpicks to go through. Students could easily make the tool for the activity, or the teacher could make a class set of the tools prior to doing the activity.
Approximately 60 min. If students make the measurement tool, your first class will need more time. If you prepare the measurement tool, the activity could be done in as little as 45 min.
You might also be interested in this set of five engaging activities for exploring the sense of sight: What Do You See?
If you love interactive notebook foldables and want a great one for your nervous system unit, check out this Brain Foldable
by my TpT friends Getting Nerdy With Mel and Gerdy! It's one-of-a-kind and your students will 'flip' for it!
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