States of Matter and Changes

The video tutorial for Grade 3 revises the states of matter, focusing on solids, liquids, and gases. It includes activities to match statements with pictures and explains processes like evaporation and condensation. Students are encouraged to observe their surroundings and apply concepts learned to real-life scenarios, such as what happens to a glass of cold water on a hot day. The lesson concludes with practical exercises to reinforce understanding.

What page should you open in your science book to start the lesson on states of matter?

• Page 100

• Page 374

• Page 250

• Page 500

Which state of matter does not have a definite shape or size?

• Liquid

• Gas

• Solid

• Plasma

Which state of matter has a definite size but takes the shape of its container?

• Solid

• Liquid

• Plasma

• Gas

What is the process called when a liquid changes into a gas?

• Sublimation

• Evaporation

• Freezing

• Condensation

What happens during condensation?

• A solid turns into a gas

• A solid turns into a liquid

• A gas turns into a liquid

• A liquid turns into a gas

What state does water turn into when it boils?

• Liquid

• Plasma

• Solid

• Gas

At what temperature does ice start to melt into water?

• 100 degrees Celsius

• 0 degrees Celsius

• 50 degrees Celsius

• 25 degrees Celsius

What is the state of water when it is in the form of ice?

• Gas

• Plasma

• Liquid

• Solid

What process describes the change of water in a puddle to a gas?

• Condensation

• Evaporation

• Freezing

• Melting

What should you do to identify solids, liquids, and gases in your house?

• Make a list

• Sing a song

• Draw a picture

• Write a story