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Chemistry: States of matter

This block builds on children’s prior learning, where they may have identified materials and explored their physical properties.

It develops their understanding by introducing the concept of states of matter and investigating how materials change state under different conditions.

It also prepares them for future learning, where they’ll apply this knowledge to separate mixtures and explore more complex changes in materials.

Ever wondered how chocolate melts, where puddles go, or what clouds are really made of?

In this exciting block, young scientists will get hands-on as they explore solids, liquids, gases and everything in between!

We’ll race melting chocolate, investigate the speed of evaporation, and even trap the water cycle in a bag.

Children will become chocolate testers, puddle detectives, and particle experts as they experiment with real materials, record their findings, and discover the science behind everyday phenomena.

With fun, practical experiments and relatable real-world links (hello, frozen toys and soggy tea towels!), this block is perfect for curious learners who love asking “why?” and getting stuck into science.

Course Objectives:

By the end of the block, children will be able to:

Compare and group materials as solids, liquids, or gases

Understand and describe the particle arrangement in different states of matter

Observe and investigate how some materials change state when heated or cooled

Identify and describe melting, freezing, evaporation, and condensation

Explain the processes in the water cycle, including the role of temperature

Set up and carry out fair tests and comparative investigations

Record results using tables, bar charts, and scientific language

Use scientific evidence to draw conclusions and explain findings

Specialist
Resources Needed:

Most activities use household items, making this block accessible for all. A full printable resource checklist will be provided before the block starts, but key items include:

Week 1:
States of Matter Exploration

A mix of materials to sort: water, ice, shampoo, flour, balloons, etc.
Paper and pens for drawing particle models

Week 2:
Melting Ice Investigation

Ice cubes
Small bowls or plastic containers
Warm and cool water
Thermometer (optional)
Timer or stopwatch

Week 3:
Chocolate Melting Test

Small pieces of milk, dark, and white chocolate
Warm water in bowls
Transparent sandwich bags
Thermometer (optional)

Week 4:
Evaporation Experiment

Measuring jugs
Small containers or cups
Water
Weighing scales (optional)
Tea towels or sponges
Pegs and string to create a mini washing line (optional)

Week 5:
Water Cycle in a Bag

Ziplock sandwich bag
Blue food colouring
Sticky tape
Permanent marker
Access to a sunny window

If you definitely do not require your live space for this course, please opt to cancel your registration through the link in your Zoom confirmation email.
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You can also use the cancellation link to change your name for the live lessons of this class.
If you have more than one child accessing the live class, please complete this form to request multiple registrations:
https://forms.gle/o4vkDBzFVe19zXR57
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