CSIRO ScienceImage
This online resource is a source of science-related images.
CSIRO ScienceImage is an online image library specialising in science and nature images. It is made available by the CSIRO (Australia's major science research organisation).
Users can search a wide variety of categories including: animals and plants, soil science, technology and equipment, landscapes and many more. They can then choose from a bank of over 4,000 images and videos to find that perfect image for your class, presentation or research.