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📚 Topic Summary
Informational texts are like super cool fact sheets! They give you real information about all sorts of things – from the planets 🪐 to the tiniest atoms ⚛️. Understanding these texts helps you learn new things and become a knowledge superhero! 💪 This worksheet will help you practice reading and understanding these types of texts, focusing on key vocabulary and critical thinking.
🧪 Part A: Vocabulary
Match the words with their correct definitions:
| Word | Definition |
|---|---|
| 1. Atom | A. A substance made of only one type of atom. |
| 2. Molecule | B. The smallest unit of matter that retains the chemical properties of an element. |
| 3. Element | C. The process of a substance changing to a gaseous state. |
| 4. Evaporation | D. A group of atoms bonded together. |
| 5. Compound | E. A substance made from two or more elements chemically bonded together. |
Match the word to the definition:
- 🔍 1 - B
- 💡 2 - D
- 📝 3 - A
- ⚗️ 4 - C
- 🔬 5 - E
💡 Part B: Fill in the Blanks
Fill in the blanks using the following words: solid, liquid, gas, matter, volume.
Everything around us is made of matter . Matter can exist in three states: solid , liquid , and gas . A solid has a definite shape and volume , while a liquid has a definite volume but takes the shape of its container. A gas has neither a definite shape nor a definite volume.
🧠 Part C: Critical Thinking
Imagine you have a glass of water. Explain what happens to the water molecules when the water evaporates.
The water molecules gain energy from the surroundings (like the air) which allows them to move faster and break free from the liquid phase, turning into water vapor (a gas) and dispersing into the air.
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