Homemade Chalk (Grades 1, 8)
In this activity, students have the opportunity to make their own sidewalk chalk while learning about mixing pigment to obtain different colour combinations.
Science concepts: Light
Grade Level: Grade 1,8
Level of Engagement: Hands-on
Resources Required: Plaster of Paris, Cold water, Large stir stick, Powdered tempera paint (red, blue, yellow) and scoop/spoon, Large pitcher, 3 Dixie cups (per student), 3 Popsicle sticks (per student)
Possible extensions: Please see the Homemade Chalk acitivity in Science World’s website.