Science (EVS K-5) · Class 1

Active learning ideas

Exploring Materials: Hard and Soft

Active learning helps young learners connect abstract ideas to their daily lives. In this topic, touching and testing real objects makes the difference between hard and soft materials memorable. Hands-on sorting and squeezing let children build understanding through their senses, not just listening.

• CBSE Learning Outcomes
• CBSE: Materials Around Us - Class 1

• 15–30 min
• Pairs → Whole Class
• 4 activities

Activity 01

• Plan-Do-Review
• 30 min · Small Groups

Sorting Tray: Hard or Soft

Prepare trays with mixed objects like stones, erasers, balls, and blocks. In small groups, students sort items into hard and soft trays, then share one reason for each choice. End with a class vote on tricky items.

Differentiate between hard and soft materials using examples.

Facilitation Tip

During Sorting Tray, encourage students to verbalize their choices aloud as they place each object to build reasoning skills.

What to look for

Provide students with a tray of assorted objects (e.g., a stone, a cotton ball, a metal spoon, a sponge). Ask them to sort the objects into two groups: 'Hard' and 'Soft', and then explain their choices for two objects from each group.

• Remember
• Apply
• Analyze
• Self-Management
• Decision-Making
• Self-Awareness

Activity 02

• Plan-Do-Review
• 20 min · Pairs

Squeeze Test: Pairs Prediction

Pairs receive soft and hard objects. First predict if each will squash, then test by squeezing gently and record with drawings. Discuss surprises like a hard rubber ball.

Analyze why certain objects are made from hard materials and others from soft.

Facilitation Tip

For Squeeze Test, have pairs take turns predicting and testing one item each to keep both children engaged.

What to look for

Ask students: 'Imagine your school bag was made of a very soft material, like a thin cloth. What problems might you face?' Guide them to discuss how the material's properties affect its use.

• Remember
• Apply
• Analyze
• Self-Management
• Decision-Making
• Self-Awareness

Activity 03

• Plan-Do-Review
• 25 min · Whole Class

What If Chair: Whole Class Story

Show pictures of chairs. As a class, predict and act out what happens if made soft like cotton. Draw before and after pictures on chart paper.

Predict what would happen if a chair was made of a very soft material.

Facilitation Tip

In What If Chair, pause after each suggestion to ask children to turn to a partner and share their thoughts before whole-group sharing.

What to look for

Give each student a small piece of paper. Ask them to draw one object made from a hard material and one object made from a soft material, labelling each with its name and property.

• Remember
• Apply
• Analyze
• Self-Management
• Decision-Making
• Self-Awareness

Activity 04

• Plan-Do-Review
• 15 min · Individual

Material Hunt: Individual Quest

Students hunt classroom for three hard and three soft items, list or draw them. Share findings in a quick show-and-tell circle.

Differentiate between hard and soft materials using examples.

Facilitation Tip

During Material Hunt, give each student a small bag to collect their findings so they can compare later with classmates.

What to look for

Provide students with a tray of assorted objects (e.g., a stone, a cotton ball, a metal spoon, a sponge). Ask them to sort the objects into two groups: 'Hard' and 'Soft', and then explain their choices for two objects from each group.

• Remember
• Apply
• Analyze
• Self-Management
• Decision-Making
• Self-Awareness

A few notes on teaching this unit

Start with familiar items to reduce cognitive load, then introduce new objects to widen understanding. Avoid abstract definitions; instead, focus on the physical tests children can perform themselves. Research shows that tactile exploration strengthens memory, so prioritize time for handling materials over explanations. Watch for students who rush tests and remind them to observe carefully before deciding.

By the end of the lesson, students will confidently classify objects as hard or soft based on tests like squeezing and tapping. They will explain why some materials resist change while others bend or compress, using simple vocabulary. Observations from sorting trays and story discussions show their reasoning.

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Watch Out for These Misconceptions

• During Sorting Tray, watch for students who assume all shiny or cold objects are hard.

  Have students gently tap the spoon against the stone and notice the sound and resistance together. Ask them to compare both objects’ reactions to pressing so they notice that hardness is about shape resistance, not just appearance.

• During Squeeze Test, watch for students who think soft materials are always weak.

  Let students squeeze a sponge and a cotton ball, then observe how each regains its shape. Ask them to describe how these materials provide cushioning, linking softness to protection rather than weakness.

• During Material Hunt, watch for students who group objects by size instead of touch.

  Bring large and small objects of both types to the hunt table. Ask students to hold a big pillow and a small pebble, then compare how each feels under pressure. Remind them to close their eyes and focus only on touch while sorting.

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Methods used in this brief

• Plan-Do-Review