What is the importance of physical science in our daily life? It includes chemistry, which focuses on matter, and physics, which focuses on energy. Physical science explains everyday observations and actions. Its advances make modern life possible. What is matter made of? Matter is the “stuff” that makes up the universe — everything that takes […]
What are the 4 solstices?
What are the 4 solstices? So, in the Northern Hemisphere you have: Vernal equinox(about March 21): day and night of equal length, marking the start of spring. Summer solstice (June 20 or 21): longest day of the year, marking the start of summer. Autumnal equinox(about September 23): day and night of equal length, marking the […]
What would happen if we dug to the core?
What would happen if we dug to the core? Because of the extreme gravity of the Earth, and your extreme momentum, once you got to the other side, you would fall right through the Earth again. And you would do the same once you neared the other side. You would oscillate back and forth sinusoidally; […]
What does healthy plasma look like?
What does healthy plasma look like? Blood plasma is the yellow liquid component of blood, in which the blood cells in whole blood are normally suspended. The color of the plasma varies considerably from one sample to another from barely yellow to dark yellow and sometimes with a brown, orange or green tinge [Figure 1a] […]
What electron microscopes are used for?
What electron microscopes are used for? Electron microscopy (EM) is a technique for obtaining high resolution images of biological and non-biological specimens. It is used in biomedical research to investigate the detailed structure of tissues, cells, organelles and macromolecular complexes. How do electron microscopes help us? The development of the electron microscopes therefore helped scientists […]
Is it OK to mix 12 and 14 gauge wire?
What state has the longest daylight hours?
What state has the longest daylight hours? summer Alaska Which US state is the sunniest? The sunniest U.S. states are: Arizona – 5,755 kJ/m^2. New Mexico – 5,642 kJ/m^2. Nevada – 5,296kJ/m^2. Texas – 5,137 kJ/m^3. California – 5,050 kJ/m^2. Colorado – 4,960 kJ/m^2. Oklahoma – 4,912 kJ/m^2. Kansas – 4,890 kJ/m^2. What state has […]
Who can stop a moving object?
What is a rock floating in space called?
What is a rock floating in space called? While it is floating around in space, a space rock is called a meteoroid. Some meteoroids create more light when they burn up. These extra-bright meteors are called fireballs and they can even be seen during the day. Sometimes a meteoroid doesn’t completely burn up as it […]
What are 10 ways to save energy?
What are 10 ways to save energy? 21 tips: no-cost ways to save electricity Turn off unnecessary lights. Use natural light. Use task lighting. Take shorter showers. Turn water off when shaving, washing hands, brushing teeth. Fix that leaky faucet. Unplug unused electronics. Ditch the desktop computer. How can I make an inexpensive energy efficient […]