Core Skills Analysis
Science
- Observed the creation of a non‑Newtonian fluid, learning that its viscosity changes when force is applied.
- Identified the concept of shear‑thickening as the mixture becomes solid‑like when squeezed or struck.
- Connected particle interaction to states of matter, noting that cornflour particles remain suspended in water.
- Designed simple experiments, such as adding food colouring or testing the fluid with a spoon, to explore cause and effect.
Mathematics
- Measured exact volumes of cornflour and water with graduated cylinders, reinforcing units of capacity (ml).
- Calculated and recorded the ratio of cornflour to water (e.g., 2:1) using fractions and decimals.
- Created a data table tracking how many grams of force (using a spring scale) are needed to make the mixture flow versus stay solid.
- Plotted a graph of force versus consistency, interpreting gradients and trends.
Language Arts
- Used scientific vocabulary—viscosity, shear, suspension—in spoken explanations and written notes.
- Wrote a clear, step‑by‑step procedural paragraph describing how to mix cornflour and water.
- Kept an observation journal with descriptive adjectives (gooey, slippery, solid) and cause‑and‑effect sentences.
- Practised speaking skills by presenting findings to family members, answering questions, and using logical sequencing.
Art & Design
- Explored texture by adding food colouring and creating coloured oobleck patterns on paper.
- Designed a sensory art piece, using the fluid to make prints and studying how the medium spreads under pressure.
- Reflected on tactile experiences, linking physical sensations to visual descriptions in a sketchbook.
- Experimented with mixing different amounts of cornflour to achieve varied consistencies for artistic effect.
Tips
Extend the investigation by introducing a spring scale to quantify the exact force needed to make the mixture flow, turning the activity into a mini‑engineering challenge. Have students experiment with three different cornflour‑to‑water ratios and record which creates the strongest ‘solid’ response, then graph the results. Invite the class to research real‑world uses of non‑Newtonian fluids, such as in protective gear or earthquake‑dampening systems, and create a short presentation or poster. Finally, combine art and science by letting learners design a ‘fluid sculpture’ that changes shape when tapped, encouraging both creative expression and scientific reasoning.
Book Recommendations
- The Oobleck Experiment by Laura H. J. McAllister: A kid‑friendly guide that explains the science behind oobleck with simple experiments, perfect for curious 12‑year‑olds.
- Molly and the Magic Oobleck by Katherine L. Smith: A narrative adventure where Molly discovers a mysterious slime, weaving in concepts of viscosity and particle motion.
- How Things Work: The Physics of Everyday Life by Louis A. Bloomfield: Explores everyday phenomena—including non‑Newtonian fluids—through clear explanations and engaging illustrations.
Learning Standards
- Science KS2 – SC2-1: Scientific enquiry – planning, conducting, and evaluating investigations.
- Science KS2 – SC2-2: Properties of materials – exploring how materials respond to forces.
- Mathematics KS2 – 3.2: Fractions, decimals and percentages – using ratios to mix substances.
- Mathematics KS2 – 3.3: Measurements – measuring volume and mass accurately.
- English KS2 – EN2-1: Writing – producing clear procedural texts and reflective journals.
- English KS2 – EN2-2: Vocabulary – using scientific terminology correctly.
- Art & Design KS2 – Art2-1: Exploring materials – investigating texture, colour and form through experimental media.
Try This Next
- Worksheet: Fill‑in‑the‑blank table to record cornflour (g), water (ml), and observed consistency level (solid, semi‑solid, liquid).
- Quiz: Multiple‑choice questions on terms like viscosity, shear, and ratio; include a picture‑identification of non‑Newtonian fluids.