In science, understanding if an object is heavier or lighter is all about comparing their masses. Mass is how much 'stuff' is in something. We often use tools like scales to measure weight, which is related to mass. A heavier object has more mass than a lighter one. This concept helps us understand the world around us, from cooking to building things!
Imagine you have a feather and a rock. Even though they might be the same size, the rock is much heavier because it has more mass packed into it.
Match the words with their definitions:
| Words | Definitions |
|---|---|
| 1. Mass | a. The force that pulls objects towards each other |
| 2. Weight | b. A tool used to measure mass or weight |
| 3. Scale | c. The amount of matter in an object |
| 4. Gravity | d. How heavy or light an object is |
| 5. Volume | e. The amount of space an object occupies |
Fill in the missing words in the paragraph below:
The __________ of an object is how much matter it contains. We can measure this using a __________. The force of __________ pulls objects towards the Earth, giving them __________. An object with more mass will generally be __________. The __________ of an object does not affect it's weight.
Imagine you have a small pebble and a large balloon filled with air. Which one do you think is heavier and why?
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