Subjects: Science
Shadoof
Irrigation
Pyramids
Albert Einstein
Cardboard Boat
Divide into teams. Give each team some cardboard, cord and duct tape. Give them 20 minutes to design a boat. Test the boats in a kiddie pool, bathtub or nearby pond. Which floated? Try putting cans in the boat. How many cans can the boats hold before they sink?
Clay boats
Give each person three balls of modeling clay that are the same size. Have them form the clay into three different shapes—a ball, a log and a boat shape. Which floats? Which shape displaces the most water or takes up the most space in the water? Which is “lighter for its size”?
Orange Predictions
Predict what will happen if you put an orange in water. What will happen if peel the orange and put it back in the water? Try it out.
Will It Float?
Set out a bowl of water and various objects. Hold up the first object. Have the students predict if it that object will sink or float. Ask a student to place the object in the water. How good were they at predicting what would float? Why do they think some things sink and others float?
Why Things Float
