Biological Clocks?

Mrs. Flynt has designed a 12-day moon observation activity that is best assigned when daylight hours are shorter. Middle school moon experts record several factors, including the altitude above the horizon, the azimuth, the phase, and...

Scholars learn about a series of three challenges when they design a bus system for a small town. They determine the bus routes and then figure out the best type of fuel to use before considering the cost of going electric. Learners...

Middle schoolers research water clocks online, investigate how water clocks work, and construct water clock that will keep time accurately for at least two hours without human intervention.

Young scholars discuss why day and night occur after visualizing a teacher-led demonstration.

How much do you really know about our planet? Middle schoolers build up their prior knowledge about Earth, its placement in the solar system, its composition, and important geological vocabulary with an introductory earth science lesson.

Young scholars identify and use the starts to tell time just as people had for thousands of years. They identify the stars that appear to rise in the east and set in the west, and that those stars near the North Pole appear to go in...

Students analyze data about their teeth. In this data collection lesson, students determine how often their teeth should be brushed during the day. Students also estimate the amounts of sugar in 17 foods.

Can someone really have a "biological clock"? Discover why many organisms on earth have an inherent awareness of where they are in the day's cycle.This video discusses animal adaptations, the earth's revolutions, and how light and...

Follow in Jules Verne's footsteps and take a journey to the center of the earth! Middle schoolers work together to design a trip inside the earth using their knowledge from the previous lessons in the unit.

What are the best materials for preventing sunburn? Young scholars consider this question as they test materials for the presence of ultraviolet light. They use a string of beads that changes color with different intensities of UV light.