English National Curriculum - Science Science

5. Discover how grease is dealt with in water

Mission Objectives

Learn about the impact of how fats and oils collect inside the sewers

How to prevent fat, oils and grease blocking sewers

Discover the environmental impact and what you can do about it

Rocket Words Quiz

See if you know all the meanings of the rocket words

Assessment Quiz

Test your knowledge of this lesson

Word Search Game

Find all the rocket words in the grid

Lesson Resources

Lesson Plan

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Downloads

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Handout N22_KS3_05 Handout N22_KS3_05 PDF

Keywords

Words and meanings to learn

pollution

anything that makes the earth dirty and unhealthy

residue

whatever remains after a part is taken, set apart, or lost

blockage

an obstruction

compost

a term that is used when someone controls the decomposition (breakdown) of natural waste, organic solid wastes

manhole

a covered hole (as in a street) large enough to let a person pass through

Sponsored by

Anglian Water

This lesson has been written by

Clare Faulkner

Clare is an experienced primary school teacher, having worked across both Key Stage 1 and Early Years. Before joining Developing Experts, Clare worked as a Quality Assurance Inspector for a childcare agency, following OFSTED's inspection criteria. Clare is passionate about education and ensuring children's learning is exciting and fun!

In her spare time, Clare is also a mother of two very active children and lots of animals! She enjoys a variety of sports and loves the outdoors!

Sarah Mintey MBE

Sarah is a former headteacher and charity CEO who founded Developing Experts in October 2015 with the goal to create a fit-for-purpose curriculum for schools. The company has created a science curriculum for children ages 4-16 which is delivered through sequenced lessons mapped against the National Curriculum in biology, chemistry, and physics. Developing Expert's innovative approach to learning has already been road-tested and voted 'best EdTech product in Europe', winning Tech Nation’s Rising Stars earlier in 2019 and a place on Google for Startups Immersion program 2020. In 2022 Developing Experts won the BETT Awards for Best Classroom Resource - Teaching Aid. Sarah is a 'LDC Top 50 Most Ambitious Business Leader' 2022. In October 2022 Developing Experts joined Tech Nation's Upscale 8.0 programme.

Sarah is delighted to be working with over 6500 UK schools and clients such as the Royal Horticulture Society, Network Rail, Rolls Royce, BEIS, National Nuclear Labs, Anglian Water and the Ministry of Defence.

Sarah was awarded an MBE for her services to tech and education in 2020. 

Katie Barrie


Katie is the Chief Operating Officer at DE, which means she oversees HR, finance and our business model. After studying Drama at Exeter University, Katie spent three years as a primary teacher, before relocating to Norfolk and joining Developing Experts. 

In her spare time, Katie likes to sing with Norwich Harmony barbershop chorus and has recently formed a quartet. Katie loves cooking and spending time with her husband, Bryan and dog, Bertie. She has an endearing laugh, which has to be heard to be believed. Many of us see Katie as the office 'Mum', she gives great hugs and keeps our spirits up.  

Contact: [email protected]  

Required Resources

Resources: Glass jam jars (with secure lids if you want to shake them), Jug of water, Vegetable oil, Dishwashing detergent, Food colouring, Small container, Syringes or pipettes, A cloth for accidental spills, Optional: Table salt

Handout: Investigation method:

  1. Pour one cup of water into your glass jam jar.
  2. Pour half a cup of vegetable oil on top of the water in the jar.
  3. Stop and observe. Does the oil mix with the water? Screw the lid onto the jar and shake it…. can you make the oil and water mix? Ask pupils “Is the vegetable oil more or less dense than the water?”
  4. Mix a generous squirt of dishwashing detergent with some food colouring in the separate small container.
  5. Using a syringe squirt some coloured detergent into your oil and water filled jar.
  6. Watch what happens, you should see a lava lamp like affect with bubbles of colour falling through the mixture. Repeat this progress as many times as you like.
  7. If you would like to see a different reaction try pouring a teaspoon of salt into the mixture and watch what happens.
  8. How will you dispose of these liquids without polluting?

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