Solid Explorers: Discovering the Properties of Solids!

Science Grades 2nd Grade 3:07 Video
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Lesson Description

This lesson helps students understand what a solid is by exploring its unique properties, such as having a fixed shape and volume. We'll watch a video and do fun activities to learn how solids are different from liquids and gases.

Video Resource

Primary Science Lesson Idea: What is a Solid? | Tigtag

Twig Science Reporter

Duration: 3:07
Watch on YouTube

Key Concepts

  • Solids have a fixed shape.
  • Solids have a fixed volume.
  • Solids are made of tightly packed molecules.

Learning Objectives

  • Students will be able to define what a solid is.
  • Students will be able to identify three properties of solids.
  • Students will be able to differentiate solids from liquids and gases.

Educator Instructions

  • Introduction (5 mins)
    Begin by asking students what they think a solid is. Show them different objects (rock, toy, book) and ask if they are solids. Engage students by asking them to describe these objects.
  • Video Viewing (3 mins)
    Play the video "Primary Science Lesson Idea: What is a Solid? | Tigtag". Ask students to pay attention to the properties of solids mentioned in the video.
  • Discussion (7 mins)
    After watching the video, discuss the key properties of solids. Ask students to provide examples of solids they see around them and explain why they are solids.
  • Activity: Solid Sort (10 mins)
    Divide students into small groups. Provide each group with a collection of objects (some solid, some not). Have them sort the objects into categories based on whether they are solids. Ask them to explain their reasoning.
  • Wrap-up (5 mins)
    Review the main points of the lesson. Ask students to summarize what they learned about solids.

Interactive Exercises

  • Solid or Not?
    Show pictures of different objects (solid, liquid, gas). Have students raise their hands and say 'Solid!' if it's a solid, or stay silent if it's not.

Discussion Questions

  • What are some things you learned about solids from the video?
  • How can you tell if something is a solid?

Skills Developed

  • Observation
  • Classification
  • Critical thinking

Multiple Choice Questions

Question 1:

Which of these is a solid?

Correct Answer: Rock

Question 2:

What is one thing that is true about a solid?

Correct Answer: It has its own shape.

Question 3:

What is true about the amount of space a solid takes up?

Correct Answer: It disappears.

Question 4:

Which of these is NOT a solid?

Correct Answer: A balloon full of air

Question 5:

What are solids made of?

Correct Answer: Tightly packed tiny pieces

Question 6:

Which of these actions can change the shape of a solid?

Correct Answer: All of the above

Question 7:

If you roll pizza dough, what happens to its volume?

Correct Answer: It stays the same.

Question 8:

Which of these is an example of applying force to a solid?

Correct Answer: Hammering a nail

Question 9:

What happens to a solid when you try to squish it?

Correct Answer: It stays the same.

Question 10:

Why can't you easily squish a solid?

Correct Answer: The tiny pieces are packed together tightly.

Fill in the Blank Questions

Question 1:

A solid has a ________ shape.

Correct Answer: fixed

Question 2:

Solids do not ________ once placed.

Correct Answer: move

Question 3:

Solids cannot change their ________.

Correct Answer: volume

Question 4:

A rock is an example of a ________.

Correct Answer: solid

Question 5:

Solids are made of tightly packed ________.

Correct Answer: molecules

Question 6:

Hammering is an ________ force.

Correct Answer: external

Question 7:

Eating can reduce the pizza's ________.

Correct Answer: volume

Question 8:

Cutting a solid can change its ________.

Correct Answer: shape

Question 9:

Gold is an example of a ________.

Correct Answer: solid

Question 10:

Heating, hammering and cutting are all actions that apply ________ to a solid.

Correct Answer: force

Educational Standards

2.PS1.1:Plan and conduct an investigation to describe and classify different kinds of materials by their observable properties.

Teaching Materials

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