Questions to Extend Thinking
Which car do you think will get to the bottom first?
Why do you think this car went faster?
Where should I put my car to make it go slowly?
Write down the children’s predictions before they race the cars.
They can then check their hypotheses.
Integrated Curriculum Activities
Try a painting activity that involves slope, such as marble paint-
ing (activity 5.7).
Encourage children to build their own ramps in the block and
Place a tray under the ramps to keep objects from rolling across