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Grade 4  
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Mathematics  
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Students will learn about magnification and how a magnifying lens works. They will examine a variety of different objects, first without a magnifier and then with a magnifier, and compare what they observe. They will practice observing details of... (View More)

Keywords: Hydrosphere

Learners will demonstrate the size (volume) differences between Earth, Earth's Moon, and Mars. An extension is provided to estimate the distance between the Earth and the Moon, and the Earth and Mars, using the scale of the play dough planets'... (View More)

This is a lesson about society and space exploration. Learners will survey the public about their different opinions about space exploration and the use of robotics in space exploration. Then they will represent and analyze the results. This is... (View More)

This is a lesson about designing and building an effective sunshade for a model MESSENGER craft. Learners will build a model of MESSENGER. They will use a scientific approach to solve problems and work as a cooperative team. They will discover their... (View More)

This is an activity about sampling in astronomy. Learners will make a sampling window in order to estimate the number of stars in the sky visible to the unaided eye. After, they will discuss how to estimate the effect of different variables on their... (View More)

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