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- Science: 3rd Grade
Minnesota - Science: 3rd Grade
Academic Standards | Adopted: 2009
3.2: : Physical Science
3.2.3: : Energy
3.2.3.1: : Energy appears in different forms, including sound and light.
3.2.3.1.3: : Describe how light travels in a straight line until it is absorbed, redirected, reflected or allowed to pass through an object.
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Color Absorption
Mix the primary colors of light by using red, green, and blue lights. Use pieces of colored glass to filter the light and create a wide variety of colors. Determine how light is absorbed and transmitted by each color of glass. 5 Minute Preview
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Heat Absorption
Shine a powerful flashlight on a variety of materials, and measure how quickly each material heats up. See how the light angle, light color, type of material, and material color affect heating. A glass cover can be added to simulate a greenhouse. 5 Minute Preview
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Radiation
Use a powerful flashlight to pop a kernel of popcorn. A lens focuses light on the kernel. The temperature of the filament and the distance between the flashlight and lens can be changed. Several obstacles can be placed between the flashlight and the popcorn. 5 Minute Preview
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Subtractive Colors
Move spots of yellow, cyan, and magenta pigment on a white surface. As the colors overlap, other colors can be seen due to color subtraction. The color of most things you see--such as cars, leaves, paintings, houses, and clothes--are due to color subtraction. The intensity of the cyan, magenta, and yellow can be adjusted, and the RGB value at any location can be measured. 5 Minute Preview
3.3: : Earth and Space Science
3.3.3: : The Universe
3.3.3.1: : The sun and moon have locations and movements that can be observed and described.
3.3.3.1.2: : Recognize the pattern of apparent changes in the moon's shape and position.
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Phases of the Moon
Understand the phases of the Moon by observing the positions of the Moon, Earth and Sun. A view of the Moon from Earth is shown on the right as the Moon orbits Earth. Learn the names of Moon phases and in what order they occur. Click Play to watch the Moon go around, or click Pause and drag the Moon yourself. 5 Minute Preview
3.3.3.2: : Objects in the solar system as seen from Earth have various sizes and distinctive patterns of motion.
3.3.3.2.2: : Recognize that the Earth is one of several planets that orbit the sun, and that the moon orbits the Earth.
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Eclipse
Observe solar and lunar eclipses as the Moon orbits Earth. The full and partial shadows of the Moon and Earth can be displayed, and the Moon can also be dragged around Earth. See what the Moon and Sun look like from Earth during partial and total eclipses. 5 Minute Preview
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Phases of the Moon
Understand the phases of the Moon by observing the positions of the Moon, Earth and Sun. A view of the Moon from Earth is shown on the right as the Moon orbits Earth. Learn the names of Moon phases and in what order they occur. Click Play to watch the Moon go around, or click Pause and drag the Moon yourself. 5 Minute Preview
3.4: : Life Science
3.4.1: : Structure and Function in Living Systems
3.4.1.1: : Living things are diverse with many different characteristics that enable them to grow, reproduce and survive.
3.4.1.1.1: : Compare how the different structures of plants and animals serve various functions of growth, survival and reproduction.
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Flower Pollination
Observe the steps of pollination and fertilization in flowering plants. Help with many parts of the process by dragging pollen grains to the stigma, dragging sperm to the ovules, and removing petals as the fruit begins to grow. Quiz yourself when you are done by dragging vocabulary words to the correct plant structure. 5 Minute Preview
3.4.1.1.2: : Identify common groups of plants and animals using observable physical characteristics, structures and behaviors.
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Flower Pollination
Observe the steps of pollination and fertilization in flowering plants. Help with many parts of the process by dragging pollen grains to the stigma, dragging sperm to the ovules, and removing petals as the fruit begins to grow. Quiz yourself when you are done by dragging vocabulary words to the correct plant structure. 5 Minute Preview
3.4.3: : Evolution in Living Systems
3.4.3.2: : Offspring are generally similar to their parents, but may have variations that can be advantageous or disadvantageous in a particular environment.
3.4.3.2.1: : Give examples of likenesses between adults and offspring in plants and animals that can be inherited or acquired.
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Inheritance
Create aliens with different traits and breed them to produce offspring. Determine which traits are passed down from parents to offspring and which traits are acquired. Offspring can be stored for future experiments or released. 5 Minute Preview
Correlation last revised: 9/16/2020
About STEM Cases
Students assume the role of a scientist trying to solve a real world problem. They use scientific practices to collect and analyze data, and form and test a hypothesis as they solve the problems.
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Each STEM Case uses realtime reporting to show live student results.
Introduction to the Heatmap
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STEM Cases take between 30-90 minutes for students to complete, depending on the case.
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Student progress is automatically saved so that STEM Cases can be completed over multiple sessions.
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Multiple grade-appropriate versions, or levels, exist for each STEM Case.
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Each STEM Case level has an associated Handbook. These are interactive guides that focus on the science concepts underlying the case.
How Free Gizmos Work
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Start teaching with 20-40 Free Gizmos. See the full list.
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Access lesson materials for Free Gizmos including teacher guides, lesson plans, and more.
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All other Gizmos are limited to a 5 Minute Preview and can only be used for 5 minutes a day.
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Free Gizmos change each semester. The new collection will be available January 1 and July 1.
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