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In this activity, learners make a scale model of the Solar System and learn the real definition of "space." Learners use the online calculator to create an appropriate scale to use as a basis for thei

In this activity, learners explore the relative sizes and distances of objects in the solar system.

In this activity, learners explore the size and scale of dinosaurs. Learners listen to "Dinosaurs, Dinosaurs" by Byron Barton to understand some background information about dinosaurs.

In this activity, learners build a scale model of the solar system using a roll of toilet paper.

In this activity, learners observe colors in the flame of a burning candle to explore connections between matter, light, color and temperature -- basic concepts of matter and energy.

In this activity, learners will create a diagram of the ocean zones and determine what organisms live in each zone.

In this activity, learners work in groups to create a time line representing significant moments in their lives.

In this astronomy activity, learners create a model of the solar system using beads and string.

In this activity, learners create a model using metric measuring tapes and atmosphere composition data.

Learners build a simple aneroid barometer to learn about changes in barometric pressure and weather forecasting. They observe their barometer and record data over a period of days.

In this activity (on pages 16-21), learners get a sense of geological time by understanding how big a million is.

Learners build a model of the planets in the solar system. In their model, the planets are spaced in their relative distance from the Sun.

In this math-based activity, learners model the intensity of light at various distances from a light source, and understand how astronomers measure the amount of sunlight that hits our planet and othe

In this activity on page 7 of the PDF, learners investigate the solubility of gas in water at different temperatures. This experiment will help learners determine if temperature affects solubility.