Chapter Exam

Chapter 3: Matter Around Us — Online MCQ Test

Q: Which of the following is a solid?

Answer: B. Stone — Stone has a fixed shape and fixed volume, which are properties of solids.

Q: Liquids have a fixed ______ but no fixed shape.

Answer: B. volume — A liquid can take the shape of its container, but its volume remains the same.

Q: Water changes into water vapor on heating. This process is called:

Answer: B. Evaporation — Evaporation is the change of liquid into gas due to heating.

Q: Which statement is true about matter in all three states?

Answer: C. All matter has mass and occupies space — Matter is anything that has mass and occupies space, whether it is solid, liquid, or gas.

SCIENCE · Samacheer Kalvi 7th · Tamil Nadu State Board

Practice Chapter 3: Matter Around Us with a free chapter-wise online MCQ test for Tamil Nadu State Board Samacheer Kalvi 7th SCIENCE. This chapter covers: Solid liquid gas properties Study of states of matter their properties and physical changes. AI-generated questions from basic to board-exam level, with instant results and explanations.

Questions

20m

Time Limit

Attempts Left

10 random questions from this chapter (mixed difficulty)
Questions you've seen before won't repeat until the pool resets
You have 20 minutes — exam auto-submits when time is up
Maximum 3 attempts per chapter
Results and explanations shown immediately after submission

New here? Register free — includes 3 free chapter exams.

Chapter 3: Matter Around Us — Important Questions & Answers (FAQ)

Frequently asked questions from Tamil Nadu State Board Samacheer Kalvi 7th SCIENCE — Chapter 3: Matter Around Us, with answers and explanations. These are sample questions; the exam has its own separate question set.

Which of the following is a solid?

A. Milk
B. Stone ✓
C. Air
D. Water vapor

Answer: B. Stone
Stone has a fixed shape and fixed volume, which are properties of solids.

Liquids have a fixed ______ but no fixed shape.

A. mass
B. volume ✓
C. color
D. temperature

Answer: B. volume
A liquid can take the shape of its container, but its volume remains the same.

Water changes into water vapor on heating. This process is called:

A. Condensation
B. Evaporation ✓
C. Freezing
D. Melting

Answer: B. Evaporation
Evaporation is the change of liquid into gas due to heating.

Which of the following best explains why a solid has a fixed shape?

A. Its particles are far apart
B. Its particles are loosely held
C. Its particles are closely packed and strongly attracted ✓
D. Its particles can move freely in all directions

Answer: C. Its particles are closely packed and strongly attracted
In solids, particles are tightly packed and held strongly, so the shape remains fixed.

Which statement is true about matter in all three states?