Measuring Force

Students expand their knowledge of force and motion by learning the difference between weight and mass and using a spring scale to measure weight. They estimate the weight of objects and then find actual weight. They demonstrate how forces act in pairs that are equal in size but opposite in direction.

Student Resources

Learn by Reading

For additional content-area reading, check out the Houghton Mifflin Science eBook: Grade 2, Unit F, page 17.