Students answer challenging questions about state properties and change processes. Part A has four multiple-choice questions about which state fills its container's shape, what happens when water boils, and an example of condensation. Part B has five fill-in-the-blank problems about the melting point of ice, how heat affects particle motion, and what happens when water vapor cools.
These questions require students to apply property rules rather than simply recall definitions.
Style:
States of Matter
Part A: Multiple Choice
Circle the best answer for each question.
1. Which state of matter has a definite volume but takes the shape of its container?
A) Solid
B) Liquid
C) Gas
D) Plasma
2. What happens to water when it is heated to its boiling point?
A) It freezes into ice
B) It stays the same
C) It evaporates into water vapor
D) It becomes heavier
3. Which is an example of condensation?
A) Ice cubes melting in a glass
B) A puddle drying in the sun
C) Water droplets forming on a cold can
D) Snow falling from clouds
4. Why does a gas fill its entire container?
A) Its particles are packed tightly
B) Its particles move fast and spread apart
C) Its particles do not move at all
D) Its particles are heavier than liquid
Part B: Fill in the Blank
Write the correct answer on each line.
1. The temperature at which ice melts into water is 0 degrees Celsius.
2. Adding heat to a substance makes its particles move faster.
3. When water vapor cools, it condenses back into liquid water.
4. A chocolate bar left in the sun will melt because heat changes its state.
5. The process of a liquid changing into a solid is called freezing.
States of Matter
★ Part A: Multiple Choice
Circle the best answer for each question.
1. Which state of matter has a definite volume but takes the shape of its container?
A) Solid
B) Liquid
C) Gas
D) Plasma
2. What happens to water when it is heated to its boiling point?
A) It freezes into ice
B) It stays the same
C) It evaporates into water vapor
D) It becomes heavier
3. Which is an example of condensation?
A) Ice cubes melting in a glass
B) A puddle drying in the sun
C) Water droplets forming on a cold can
D) Snow falling from clouds
4. Why does a gas fill its entire container?
A) Its particles are packed tightly
B) Its particles move fast and spread apart
C) Its particles do not move at all
D) Its particles are heavier than liquid
★ Part B: Fill in the Blank
Write the correct answer on each line.
1) The temperature at which ice melts into water is 0 degrees Celsius.
2) Adding heat to a substance makes its particles move faster.
3) When water vapor cools, it condenses back into liquid water.
4) A chocolate bar left in the sun will melt because heat changes its state.
5) The process of a liquid changing into a solid is called freezing.
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9 Questions
12-18 minutes
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