Why experiment? -- What is a force? -- Experiment 1 : make our own engine -- Balanced or unbalanced? -- Experiment 2 : submarine captain -- What is friction? -- Experiment 3 : rocket racing -- Moving through air -- Experiment 4 : sail boarding -- Plant your next experiment.
Summary
Explores the world of forces with clear text, real-world examples and fun, safe step-by-step experiments, explaining the concepts and encouraging children to be hands-on scientists.
