Activity 01
Pairs Prediction: Sink or Float Challenge
Pairs list five classroom objects and predict if each sinks or floats based on prior knowledge like shape or material. They test predictions in a water tray, record results, and explain matches or surprises. Discuss as a class why some predictions changed.
Explain how prior knowledge helps us make better predictions.
Facilitation TipDuring the Sink or Float Challenge, circulate with a small tub of water and ask each pair to explain their prediction for one object before placing it in the water.
What to look forProvide students with a list of 3-4 objects (e.g., a feather, a stone, a leaf, a small toy boat). Ask them to write down a prediction for each object regarding whether it will sink or float in water, and briefly state the prior knowledge or observation that led to each prediction.