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As this week's focus is poetry, I would like to begin today's Science lesson with a poem called State of Matter by M. M.

States of Matter by M.M.

We are the three states of matter, but we don’t act the same.

I can move freely, so what is my name?

I can be all kinds of shapes, and I am the least dense of all

My name is called a gas, and I will not sink or fall

The next state of matter, is everywhere we look

I am the densest of all, one example is a book

You can call me a solid, and I always hold my shape

I can be heavy like a rock, or as light as a piece of tape

The last state of matter, can take all shapes and forms

It can fall from the sky, you have seen it in storms

You can pour it and drink it, and the volume can change

You can stretch me and bend me, it’s really so strange

My name is a liquid, and I like to flow

And here is one more thing, I think you should know

We are all forms of matter, and we are everywhere in sight

And our density depends on, if our atoms are packed tight.

Last week, we learned about how a material could change states. We explored the processes of melting (solid to liquid) and freezing (liquid to solid). We experimented with chocolate to see which temperature would be best to melt it.

       Before we start today's learning which is all about water, I'd like you to use your knowledge from last week to consider the ideas of each child below. Which child do you agree with and why? Why do you not agree with the others?

This week, we are going to look a little closer about how water can exist in three different states: solid (ice), liquid (water) and gas (water vapour). We know about freezing and melting to change state between a solid and liquid. But how does water become a gas? You will learn two new key words today and will conduct three mini experiments to explore water in all three states.

CHALLENGE: Now we have learned all about the different states that water appears, I would like you to consider the key question below.


       Think about the following:

  • How would polar bears and penguins live?
  • How could you make a cool drink without ice?
  • What would happen to all the snow in winter?
  • What would happen to the sea levels?