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Grade : K-4

Air: Outside, Inside, and All Around

K-4 ┊ 828 words ┊ ◄)) K-4, 828 words, 8 minutes audio time. Learn about the air around you, and find out about oxygen, the atmosphere, gases, and pollution. READ
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readadmin8818年8月13日
Light: Shadows, Mirrors, and Rainbows

K-4 ┊ 592 words ┊ ◄)) K-4, 592 words, 6 minutes audio time. Learn about light, and discover how to make reflections, shadows, and rainbows. READ
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readadmin8818年8月13日
Composting: Nature’s Recyclers

K-4 ┊ 961 words ┊ ◄)) K-4, 961 words, 9 minutes audio time. Dead leaves, food scraps, and grass clippings for lunch? Small animals, fungi, and bacteria called decomposers turn trash into a tasty compo…
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readadmin8818年8月13日
Electricity: Bulbs, Batteries, and Sparks

K-4 ┊ 659 words ┊ ◄)) K-4, 659 words, 6 minutes audio time. Find out how electricity and power work. Learn more about electric currents and circuits, and nature's role in generating power. READ
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readadmin8818年8月13日
Energy: Heat, Light, and Fuel

K-4 ┊ 579 words ┊ ◄)) K-4, 579 words, 5 minutes audio time. The forms of energy are discovered, including chemical energy, kinetic energy, and solar energy. READ
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readadmin8818年8月13日
Erosion: Changing Earth’s Surface

K-4 ┊ 953 words ┊ ◄)) K-4, 953 words, 9 minutes audio time. Did you know that rain, waves, wind, snow, and ice can change the shape of Earth's surface? They can create valleys, sea stacks, caves,…
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readadmin8818年8月13日
Magnification: A Closer Look

K-4 ┊ 868 words ┊ ◄)) K-4, 868 words, 8 minutes audio time. How do scientists study the moon that is out in space or tiny cells? When things are far away or very small, scientists use magnifying tools…
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readadmin8818年8月13日
Matter: See It, Touch It, Taste It, Smell It

K-4 ┊ 856 words ┊ ◄)) K-4, 856 words, 7 minutes audio time. The states of matter (solids, liquids, and gases) are explained and demonstrated. Includes an experiment to try. READ
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readadmin8818年8月13日
Science Measurements: How Heavy? How Long? How Hot?

K-4 ┊ 948 words ┊ ◄)) K-4, 948 words, 9 minutes audio time. Big or small? Full or empty? Heavy or light? Hot or cold? Things are measured everyday. Learn about the many tools needed for different kind…
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readadmin8818年8月13日
Motion: Push and Pull, Fast and Slow

K-4 ┊ 756 words ┊ ◄)) K-4, 756 words, 7 minutes audio time. Explore the concepts of motion by learning about movement, speed, force, and inertia. READ
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readadmin8818年8月13日
Magnets: Pulling Together, Pushing Apart

K-4 ┊ 726 words ┊ ◄)) K-4, 726 words, 6 minutes audio time. Compasses and magnetite, magnetic poles and motors - learn about how magnets affect our lives. READ
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readadmin8818年8月13日
Rocks: Hard, Soft, Smooth, and Rough

K-4 ┊ 734 words ┊ ◄)) K-4, 734 words, 7 minutes audio time. The rocks you see everyday can be grouped into different types, like igneous, sedimentary, or metamorphic. Some rocks are actually minerals,…
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readadmin8818年8月13日
Science Safety: Being Careful

K-4 ┊ 763 words ┊ ◄)) K-4, 763 words, 7 minutes audio time. Science experiments, tests, investigations, and exploration are fun but can be dangerous. Learn the simple precautions you need to follow to…
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readadmin8818年8月13日
Dirt: The Scoop on Soil

K-4 ┊ 785 words ┊ ◄)) K-4, 785 words, 7 minutes audio time. Discusses the nature, uses, and importance of soil and the many forms of life that it supports. READ
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readadmin8818年8月13日
Sound: Loud, Soft, High, and Low

K-4 ┊ 602 words ┊ ◄)) K-4, 602 words, 5 minutes audio time. Sound is created through vibrations that vary in pitch and volume. This creates sound-waves that you can hear. Includes experiments. READ
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readadmin8818年8月13日
Temperature: Heating Up and Cooling Down

K-4 ┊ 685 words ┊ ◄)) K-4, 685 words, 6 minutes audio time. A temperature can be hot or cold, and can be measured by a thermometer. Use Fahrenheit or Celsius to take the temperature of items. READ
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readadmin8818年8月13日
Science Tools: Using Machines and Instruments

K-4 ┊ 811 words ┊ ◄)) K-4, 811 words, 7 minutes audio time. We use all kinds of machines and instruments to see, hear, record, measure, and detect changes in the world around us. Explore the variety o…
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readadmin8818年8月13日
Water: Up, Down, and All Around

K-4 ┊ 515 words ┊ ◄)) K-4, 515 words, 5 minutes audio time. Describes the water cycle and the importance of water, explaining evaporation and condensation, dew and frost, and the three states of water…
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readadmin8818年8月13日
Drawing and Learning About Cats: Using Shapes and Lines

K-4 ┊ 1137 words ┊ ◄)) K-4, 1137 words, 11 minutes audio time. Provides step-by-step instructions for drawing different types of cats, using circles, squares, triangles, and other simple shapes. READ
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readadmin8818年8月13日
Drawing and Learning About Dogs: Using Shapes and Lines

K-4 ┊ 1175 words ┊ ◄)) K-4, 1175 words, 12 minutes audio time. Provides step-by-step instructions for drawing different types of dogs, using circles, squares, triangles, and other simple shapes. READ
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readadmin8818年8月13日
Drawing and Learning About Faces: Using Shapes and Lines

K-4 ┊ 1538 words ┊ ◄)) K-4, 1538 words, 15 minutes audio time. Provides instructions for using simple shapes and lines to draw faces. READ
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readadmin8818年8月13日
Drawing and Learning About Monsters: Using Shapes and Lines

K-4 ┊ 1212 words ┊ ◄)) K-4, 1212 words, 13 minutes audio time. Provides step-by-step instructions for drawing different types of monsters, using circles, squares, triangles, and other simple shapes. R…
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readadmin8818年8月13日
Scoop, Seesaw, and Raise: A Book About Levers

K-4 ┊ 614 words ┊ ◄)) K-4, 614 words, 5 minutes audio time. Provides examples to describe levers as simple machines used to lift, push, or move a load. Includes an activity. READ
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readadmin8818年8月13日
Pull, Lift, and Lower: A Book About Pulleys

K-4 ┊ 498 words ┊ ◄)) K-4, 498 words, 4 minutes audio time. Describes many different kinds, uses, and benefits of pulleys. Provides examples of pulleys by showing a flagpole, a crane, an elevator and …
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readadmin8818年8月13日