The Bengal tiger is found in the forests of India, Bangladesh, Nepal and Bhutan. Its fur is yellow to light orange with stripes of dark brown or black. The tail is orange with black rings. No two tigershave exactly the same stripes.
In this animated and interactive object, learners examine the inverse proportionality of wavelength and frequency and their relationship to the speed of light.
A crossword is a word puzzle that usually takes the form of a square or a rectangular grid of white- and black-shaded squares. The goal is to fill the white squares with letters, forming words or phrases that cross each other, by solving clues which lead to the answers.