Why is an apple not red? Red apples get their color from anthocyanins. When we look at a red apple, it’s absorbing colors from the sunlight. It absorbs all the colors of the rainbow—except for red. The red light reflects off the apple and our brain and eyes work together to let us know what […]
What are 3 things to remember when making healthy food choices?
What are 3 things to remember when making healthy food choices? To read and really understand the Nutrition Facts label, look for these 3 things: The Serving Size. The Percent Daily Value (%DV) The Best Profile. How do you know something is unhealthy? Look out for… Length – Really long ingredients lists are usually a […]
What can you melt in a solar oven?
How much is a photon?
How much is a photon? Photons are massless, so they always move at the speed of light in vacuum, 299792458 m/s (or about 186,282 mi/s). The photon belongs to the class of bosons….Photon. Photons are emitted in a threaded laser beam Composition Elementary particle Mass 0 < 1×10−18 eV/c2 Mean lifetime Stable Electric charge 0 […]
How long does it take for Old Faithful to erupt?
How long does it take for Old Faithful to erupt? The average interval between eruptions of Old Faithful Geyser changes; as of February 2019, it is 98 minutes ± 10 minutes, with intervals ranging from 79 to 109 minutes. Old Faithful can vary in height from 106 to more than 180 feet (32.3–54.8 m), averaging […]
How could we possibly contain and control a chemical reaction any suggestions?
How could we possibly contain and control a chemical reaction any suggestions? Terms in this set (5) Concentration. The amount of one material in a certain volume of another material. Catalysts. A material that increases the rate of a reaction by lowering the activation energy. Inhibitors. A material that decreases the rate of a reaction. […]
When sediments are pressed together tightly this is called?
When sediments are pressed together tightly this is called? When sediments are pressed together tightly, this is called. compaction. What two processes make sediment? Erosion and weathering transform boulders and even mountains into sediments, such as sand or mud. Dissolution is a form of weathering—chemical weathering. With this process, water that is slightly acidic slowly […]