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 […]
Did they find a Megalodon in the Mariana Trench?
How is air pressure usually measured?
How is air pressure usually measured? A barometer is a scientific instrument used to measure atmospheric pressure, also called barometric pressure. The atmosphere is the layers of air wrapped around the Earth. That air has a weight and presses against everything it touches as gravity pulls it to Earth. Barometers measure this pressure. What time […]
What happens to the size and location of the image when you bring the flashlight nearer to the concave mirror?
What happens to the size and location of the image when you bring the flashlight nearer to the concave mirror? what happen to the size and location of the image when you bring the flashlight nearer to the concave mirror? As the object moves into the mirror the position of the image shifts farther away […]
What is the primary role of frontal lobe?
What is the primary role of frontal lobe? As a whole, the frontal lobe is responsible for higher cognitive functions such as memory, emotions, impulse control, problem solving, social interaction, and motor function. Damage to the neurons or tissue of the frontal lobe can lead to personality changes, difficulty concentrating or planning, and impulsivity. Which […]
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 […]
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 is electronegativity How does it vary in group and period?
What is electronegativity How does it vary in group and period? The tendency of an atom to attract the shared pair of electrons towards itself is known as electronegativity. Electronegativity increases across a period while it decreases down a group. Atomic radius increases down the group due to addition of new shell. How does electronegativity […]