Investigate the surface tension of liquids by following the lesson steps on this set of slides. You will need milk shallow dish detergent food colouring cotton bud or popstick When the cotton bud touches the milk, the colours shift and swirl away from the deterent and a colourful pattern is formed. This is because the detergent breaks the surface tension of the liquid.

This is a set of PowerPoint slide to guide your students to investigate viscosity. Each team will need the following materials one polystyrene cup with a hole in it a small container of vegetable oil a small container of honey a small container of water. Newspaper to collect the mess timers The students will take turn to pour each liquid into the cup and time how long it takes for the liquid to exit the cup.

To use this resource firstly print off slides 2- 12. There are 10 stations. You will need to provide the materials at each station for the students complete the investigations. Here is what you need to prepare Slide 2 Iron filings and sand - in a tray add sand and a few spoons of iron filings. Students use a magnet to collect the iron filings. Slide 3 Fizzing tablet and water - glass of water and a fizzing tablet such as Aspro Clear. Slide 4 Inflate a balloon with vinegar - bottle, measuring cups, funnels, balloon, vinegar, bicarb soda. Slide 5 Glowsticks - 2 glow sticks, 2 large beakers, 2 thermometers, 2 pieces of black card, icy cold water from the fridge, hot water from a kettle. Slide 5 Burning candle - candle, large glass jar, matches. Slide 6 Autumn leaves - a tray of autumn leaves, crayons, lithograph paper Slide 7 Melting ice investigation - 2 petri dishes, ice cubes, salt, measuring spoons. Slide 8 Milk and lemon juice - lemon juice, pipette, milk, glass beaker. Slide 9 Investigating nails - 2 trays of nails (rusted and not rusted). Slide 10 Plasticine - various colours of plasticine. Slide 11 Chalk - various colours of chalk, paper Print the recording sheet on Slide 12. Allocate the students to the different stations and allow them to complete the investigation and record their findings on the worksheet. Gather students together to share findings. If you have time rotate students to another station. Gather students together and conclude by sharing the Conclusions on the PowerPoint.

This is a powerpoint to guide students in an investigation on melting 4 different materials such as a small piece of cheese small piece of butter 4 choc buttons a metal bolt The powerpoint slides include the components of ‘fair testing’, developing an investigation question, a list of materials, how to set up the investigation and a slide of review questions

This powerpoint guides your students to experience 4 different chemical and physical changes. The experiments that you will demonstrate are Melting chocolate Freaky hand Making butter Rainbow milk The resource includes a final slide for students to ansser questions and review the demonstrations.

This powerpoint includes five slides to guide your student to set up a decomposition investigation in a small take away plastic container. each team of students will need a small piece of apple, paper, plastic and cloth. Once the student have covered their materials with soil or potting mix and secured the container they will construct a table in their Science book and write predictions for the materials.

This is a powerpoint to review a chromatography investigation. You would need to set up your own chromatography experiment with your students then use the slides to review and conclude the activity. There are several chromatograhy investigations to be browsed on the internet. One of my favourites is the chromatograhy dancer.