Students understand that a spreadsheet can be used to find the best scale to use in a model. They place the distances of the planets of the solar system to the Sun in one column of the spreadsheet. Students try different scales so that...

Students explore the concept of global time. In this geography skills lesson, students use standard meridians and the hour scale on globes to determine global time as they respond to questions in this self-directed lesson.

Students discuss scale diagrams and maps as well as the use of spreadsheets to find the best scale to use in a model before practicing scale and ratio problems on their own.

Pupils simulate the motion of a fly ball with different winds. They use a partner to provide the simulated wind. Students draw a baseball diamond and the field on a piece of paper. They drag the pen across the paper to show the path of a...