Comparing Mass and Weight
Compare two objects directly by mass or weight and describe the difference using language such as heavy, light, heavier than, lighter than
What a learner can do afterwards
- Heft two objects and say which is heavier/lighter
- Use a simple balance to compare the weight of two objects
- Describe one object as 'heavier than' another
1 · Read
You can compare how heavy things are. Pick up one thing. Pick up another. Feel which one is heavier. A big thing is not always heavier than a small thing.
Mia holds a bag of apples in one hand. She holds a feather in the other hand. The bag feels heavy. The feather feels light. The apples are heavier than the feather. The feather is lighter than the apples.
A balance can help too. The heavier thing makes its side go down.
Heavy things are harder to lift than light things.
2 · Watch
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Where it sits
Learn first
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Where this leads
8 questions wait behind this lesson, each with its answer explained. Every answer feeds the sky: stars light as they are learned, and dim when it is time to come back.