Science Co-op Ideas: Running a Science Morning for Groups of Families

A science co-op is a small group of families that meet regularly to do science together. It can be as simple as four or five households taking turns to host a morning. Children enjoy working with friends, adults share the planning, and hands-on science is easier with more helping hands.

Decide how the group will work

Agree on a few things up front, in writing if it helps:

How often? Every week, every two weeks or monthly.
How long? 60 to 90 minutes works well, including setup and cleanup.
Which ages? A group with children of different ages is fine if you plan for it (see below).
How many? Six to twelve children is manageable in a home. Larger groups need a hall or a park.
Who hosts? A rotating host lets each household take a turn and share the load.

Roles

Give every adult a clear job each session.

Host: provides the space and the table.
Lead: introduces the question and runs the activity. This can be the host or another adult.
Helpers: each look after a small group of children or a table.
Materials person: brings or buys the supplies.
Timekeeper and tidier: keeps to the schedule and organises cleanup.

Rotating roles stops one person doing everything. Children can have roles too: material handing-out, timer, recorder.

Costs and supplies

Keep it cheap and fair.

Choose activities that use household materials.
Agree a simple way to share costs: each family brings an item, or the group splits receipts after each session.
Keep a shared box of reusable supplies: cups, tape, rulers, scissors, markers, zip bags, trays, magnifying glasses.
Use a shared message group or a spreadsheet to say who is bringing what.

Safety

Set the rules together at the first meeting.

Each session names the adults supervising each table, and how many children each looks after.
The lead checks every activity beforehand, including for allergies and sensitivities.
Adults handle heat, sharp tools and anything unfamiliar.
No tasting of experiment materials. Keep food separate from experiments.
No mixing cleaning products.
Wash hands at the end.
Share a contact for each child and any medical information each family wants the group to know.
Make sure the host’s home is safe for a group, with pets and hazards considered.

Planning one 90-minute session

0:00 to 0:10, arrive and settle. A simple puzzle on the table: “Which of these will sink?” Collect predictions.

0:10 to 0:20, the question. The lead introduces the question and demonstrates the first step. Children predict.

0:20 to 0:55, the experiment. Small groups of three or four children with one adult. Everyone gets to do something: pour, measure, record, watch.

0:55 to 1:10, share. Each group tells what they saw and measured. Compare results. Ask: “Why might the groups differ?”

1:10 to 1:20, snack and talk. Food away from the experiment area.

1:20 to 1:30, cleanup and wonder. Everyone helps. Collect new questions for the next session.

Children of different ages

Give older children a harder job: recording data, keeping the timer, designing the fair test.
Pair a younger child with an older one as “partners.”
Ask different questions of the same activity: “What do you see?” for little ones, “How could we make it fairer?” for older ones.
Offer an extension for those who finish early.

Keeping the group going

Plan a term at a time. Pick topics together and share a calendar.
Hold a short debrief. What worked? What would we change?
Be flexible. Families come and go; keep the system simple.
Celebrate small things. A photo of each session or a shared notebook makes a nice record.

Topic ideas

Floating and sinking, simple circuits, paper planes, crystals, weather, seasons, slime-like mixtures such as oobleck, shadows, sound, plants and seeds.

Where to go next

Try the Build and Launch unit or the Kitchen Chemistry unit for ready-made sessions. Our post on teaching in a split-age group has more on mixed ages, and the home education page covers using lessons outside school.