Leaves fall off the tree in the autumn, but why do they change colors? The interactive covers the role of chlorophyll and photosynthesis. It also explains both carotenoids and anthocyanins.

Determine the length of a falling ladder. Pupils use an interactive to find the angle a ladder makes with the floor after it falls to answer questions. The scholars use the triangle formed in the interactive to determine values of...

To recall or not to recall, that is the question. Using provided data, pupils calculate the percent of people that may fall ill on average. The scholars determine the standard deviation based upon the mean and the empirical rule,...

In this adjectives worksheet, students choose the correct word that is the adjective in each sentences. Students choose the correct word for for 33 sentences.

In this online quiz worksheet, students answer a set of multiple choice questions about a Haiku poem based on exotic sea creatures.. Page includes links to answers and resources.