Why Does a Stone Sink?

PHYSICAL SCIENCES

Curiosity trigger

Students will experimentally check whether all objects can be sunk and when a sinking egg starts floating. They will also create a tower of liquids (with milk, honey, dishwashing liquid and oil).

Curriculum and Skills

Work and Life Skills:

Critical thinking and drawing conclusion

In this lesson, you will cover:

Basic Science and Technology.Primary 2.NON-LIVING COMPONENTS OF THE ENVIRONMENT.Water [II]: (Floatation).Objective 1. Identify and name the objects that can float on water. 2. Identify and name objects that can sink in water. 3. Demonstrate how objects float in water.

You will need

Hard-boiled eggs, water, LEGO™ bricks, plasticine, small stones, ping-pong balls, table salt, milk, honey and oil.

Click here to see lesson plan

Authors

Author: Przemysław Michalski
Methodology: Joanna Miszkiel
Translation: Paweł Fabrowicz
Producer: Marta Przywara

Source

This is a modified version of a lesson plan created by the Children’s University Foundation under the CC-BY-NC-SA 3.0 license.

Photo Stone Skipping made by Chris Potako published on flickr.com under the CCBY 2.0 license.

Hi there!

You are currently not logged in.

To keep using lessons, subscribe to WhyBlueSky.

Already have subscription? Log in to your account.

You get immediate access to:

112

lesson plans,plus new lesson plans added monthly.

Our lesson plans contain:

281

worksheetsand other materials for students,

260

scripts for classroom-ready activities(investigations, experiments, crafts and construction, movement games)

415

get ready for QsQuick and comprehensive reference notes on the lessons to save you time on web browsing.

... and counting.

These numbers keep growing monthly.