Q1: What is anything that occupies space and has mass called?
Ans: Matter
Q2: How many states of matter are there?
Ans: Three (solids, liquids, gases)
Q3: What are tiny particles that make up matter called?
Ans: Molecules
Q4: What is the smallest unit of matter that cannot be divided further?
Ans: Atoms
Q5: What do atoms of the same kind combine to form?
Ans: Elements
Q6: What do atoms of different kinds combine to form?
Ans: Compounds
Q7: Give an example of a compound.
Ans: Water
Q8: In which state of matter are molecules tightly packed?
Ans: Solids
Q9: Which state of matter has definite shape and volume?
Ans: Solids
Q10: In which state of matter can molecules move freely?
Ans: Gases
Q11: What is a mixture formed when a solute dissolves in a solvent called?
Ans: Solution
Q12: What are some substances that dissolve in water called?
Ans: Soluble substances
Q13: Give an example of an insoluble substance.
Ans: Sand
Q14: What happens to the solubility of sugar in water when the water is heated?
Ans: It increases
Q15: What is the process of changing a solid into a liquid on heating called?
Ans: Melting
42 videos|236 docs|46 tests |
| 1. What are the three states of matter? | ![]() |
| 2. What are some examples of solids? | ![]() |
| 3. How do solids differ from liquids? | ![]() |
| 4. What are some properties of gases? | ![]() |
| 5. How does matter change from one state to another? | ![]() |