1
In this activity you will measure changing weather conditions prior to, during, and after a storm.
Grade Level   6 7 8 9 10 11 12
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2
Explore how the changing position of the Sun causes seasons on Earth.
Grade Level   5 6
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3
Observe and describe the growth of crystals from everyday materials.
Grade Level   5 6
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4
In this activity you can compare your local soil with that of classmates and with a description of the soil found on Mars.
Grade Level   5 6
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5
In this activity, you will explore local rocks for signs of the Rock Cycle, the sequence of making and breaking down rocks.
Grade Level   5 6
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6
There is water all over Earth in different forms. By far, most of the planet's water is in the oceans, but it is in other places as well. Sometimes water is a liquid, sometimes it is a solid, and sometimes it is a gas. These changes in the states of matter are the result of the water either gaining...
Grade Level   5 6
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7
Water in its liquid state is visible, as ponds, streams, water in bottles, and wet surfaces. You can also see water in its solid form , ice and snow. Water as a gas in the air, also called water vapor, is invisible. The process of visible liquid water turning into invisible gaseous water is called...
Grade Level   5 6
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8
Earth's temperature is set, in part, by a balance between incoming radiation energy from the Sun and outgoing radiation energy into space. If more energy comes in than leaves, Earth's temperature will rise, and vice versa. The atmosphere plays a big role in this balance. In this activity, you will...
Grade Level   6 7 8
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9
The greenhouse effect is the name scientists use to describe how heat accumulates in Earth's atmosphere. A majority of the energy from the Sun arrives at Earth as visible radiation. This energy passes through our atmosphere and warms Earth's surface. The warmed surface re-emits invisible infrared...
Grade Level   6 7 8
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10
Sunlight is constantly falling on Earth. At the same time, Earth is losing energy to the cold emptiness of outer space. In this activity, you will use a computer model to explore what happens to the Sun's energy when it strikes Earth.
Grade Level   6 7 8
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11
Heat islands result when people alter their surroundings, substituting man-made asphalt roads, tar roofs, and other features for vegetation. Trees and other plants provide shade and cool the air through evapotranspiration. Hard, dark surfaces like pavement store heat during the day. That heat is...
Grade Level   6 7 8
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12
Crystals are much sought after by jewelers and industrialists alike. Their value is directly related to their perfection. In this activity, you will explore some features of crystals.
Grade Level   6 7 8
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13
Molecular crystals are formed by one or more kinds of molecules tiled in regular patterns in microscopic space. A common example is solid carbon dioxide, also known as dry ice, which is often used to pack and keep ice cream cold. In this activity, you will use a set of molecular models to explore...
Grade Level   6 7 8
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14
An earthquake is a shaking of the ground caused by the sudden release of stored energy along a fault. Think of it like snapping your fingers. You push your fingers together enough so that they don't move when you try to slide them sideways. Then suddenly, one finger slips past the other finger and...
Grade Level   6 7 8
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15
Some areas of the world are susceptible to frequent earthquakes. Other areas of the world have a history of volcanic eruptions. Unfortunately, many areas such as Japan experience both volcanoes and earthquakes. In this activity, you will use a computer model, Seismic Explorer, to investigate...
Grade Level   6 7 8
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16
In this activity, you will use a computer model, Seismic Explorer, to examine patterns of earthquakes below Earth's surface and relate earthquakes to plate boundaries and movement.
Grade Level   6 7 8
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17
In this activity, you will use a model to learn how objects are launched into space.
Grade Level   6 7 8
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18
"Some days it feels """"""""dry"""""""" and some days it feels """"""""muggy-"""""""" even though the temperature is the same. This is due to differing amounts of water vapor in the air. In this activity, you will measure relative humidity in the air using just a temperature sensor, by comparing the...
Grade Level   6 7 8
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19
There is always some water vapor in the air. For the most part we can't see it directly, but we can measure its presence with a relative humidity sensor. In this activity, you will use a relative humidity sensor and a soda bottle to measure humidity near surfaces, such as over a leaf or above an ice...
Grade Level   6 7 8
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20
Much of the water cycle is visible, both in the form of liquid water (oceans, rivers, lakes, and precipitation such as rain) and in the form of solid water (ice, snow, and precipitation such as falling snow or hail). However, some of the water in the water cycle is invisible because water is also...
Grade Level   6 7 8
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