30.4 MB (1.7 MB compressed)
2669 x 3987 pixels
22.6 x 33.8 cm ⏐ 8.9 x 13.3 in (300dpi)
TREVOR CLIFFORD PHOTOGRAPHY / SCIENCE PHOTO LIBRARY TREVOR CLIFFORD PHOTOGRAPHY / SCIENCE PHOTO LIBRARY
Measuring calorific content of food. Experiment to measure the calorific content of food by burning it. The food sample (lower centre-right) is burnt and used to heat a test tube of water. The rise in temperature of the water is then noted and used to calculate the amount of energy released.
Model release not required. Property release not required.