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This online resource discusses the importance of the ocean, the layers and composition of the ocean and how it moderates climates.
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This video describes about similar shapes. It can help easily to find size of a side and angles of similar figures.
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Outcomes
In this course you will learn about:
- Properties of similar triangles.
- Conditions for similarity.
- Proving triangles similar.
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In this lesson you will learn about:
- Simple machines
- Be able to identify different kinds of machines
- Identify classes of levers and pulleys
- Determine mechanical advantage of a lever and pulleys
- Understand and determine the advantage of an inclined plane
- Describe and determine the advantage of a screw jack
- Describe and determine the advantage of a wheel and axel
- Describe and determine the advantage of a hydraulic press
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What are simple machines? Simple machines are tools that make work easier. They have few or no moving parts. These machines use energy to do work with one movement. They make our work easier by letting us use less mechanical effort to move an object.
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Skeletons support and protect our bodies. Bugs have exoskeletons outside their bodies, while humans have endoskeletons inside. Our bones are in axial (skull, ribcage, spine) and appendicular (arms, legs) groups. Bone marrow makes blood cells; more specifically, red marrow makes blood and yellow marrow stores fat.
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This YouTube video explores both passive and active solar energy.
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This online resource introduces the geocentric and heliocentric models. Exoplants, planets and their motions, planetary orbits, the role of gravity and how the solar system was formed are also covered.