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Energy Transformations - Weekly Blog (1/28-2/1)

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Types of Energy  by  Solar Schools Summary: You've probably heard the quote by Albert Einstein, "Energy cannot be created or destroyed, it can only be changed from one form to another." But what are the forms of energy? There are six general energy forms: chemical, mechanical, thermal, light, electrical, and nuclear. Any form of energy can be converted into another form. There are many examples of energy transformations that happen in our everyday lives. The first energy form is chemical energy. Chemical energy is a form of potential energy and is stored in chemical substances. An example of chemical energy is gasoline that is used to power a car. The next form of energy is mechanical energy. Mechanical energy is energy released by a moving object. For example, mechanical energy is the energy that causes a soccer ball to move when kicked. Another form of energy is thermal energy and is associated with the motion of molecules. This means that it is caused by f...
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Types of Rocks (2/26-3/2)

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https://i.ytimg.com/vi/qFEBPD3JEOM/maxresdefault.jpg Summary The three main types of rocks are igneous, sedimentary, and metamorphic. These rocks are different and classified by how they look and how they are formed. The first type of rock is a sedimentary rock. Sedimentary rocks are formed from particles of sand, pebbles, shells and other small bits of material, called sediments. The sediments gradually create layers and eventually harden into rock.  Sedimentary rocks are pretty soft and may break apart easily. There are sediments visible in the rock, and this is the only rock that contains fossils. Some examples of sedimentary rocks are conglomerate and limestone. Igneous rocks are formed when magma cools and hardens inside of the Earth. The magma cools either inside of the Earth or erupts from volcanoes in the form of lava. The magma cools very quickly and  no crystals will form. This leaves the rock looking shiny and glass-like. Occasionally, when ign...
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Musical Instruments and Sound- Weekly Blog (3/11-3/15)

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Sound Energy - Musical Instruments by SolPass Summary We understand how sound is produced, and how sound waves can travel through different mediums, but how do musical instruments produce sound? There are hundreds of instruments in the world, producing various pitches, tones, and chords. There are three main types of instruments: wind, percussion, and string. The sound is produced differently based on the type of instrument. The first type of instrument is a string instrument. In a string instrument, the sound is created from the vibration of strings. For example, when you play guitar, you pull on the strings. As the strings vibrate, the air molecules start vibrating as well, producing sound. The next type of instruments are wind and brass instruments and are made when we blow sound into them. The shape and position of the instrument affect the overall tone and pitch. The most common kind of wind instrument is a reed instrument. Blowing on the reed causes it to vib...
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