What is the meniscus of water in a test tube? A meniscus is what happens when you put a liquid into a container. When you put water in a beaker or test tube, you see a curved surface. With most liquids, the attractive force between the liquid and the container is greater than the attraction […]
What happens if the magnitude of one charge is doubled?
How do you observe cells?
How do you observe cells? Microscopes provide magnification that allows people to see individual cells and single-celled organisms such as bacteria and other microorganisms. Types of cells that can be viewed under a basic compound microscope include cork cells, plant cells and even human cells scraped from the inside of the cheek. What was Schleiden […]
What does a convex lens look like?
What does a convex lens look like? Convex lenses In a convex lens (sometimes called a positive lens), the glass (or plastic) surfaces bulge outwards in the center giving the classic lentil-like shape. Photo: A convex lens makes parallel light rays converge (come together) at the focal point or focus. Who uses convex lens? A […]
Why are atomic masses no longer organized?
Why are atomic masses no longer organized? 1. Why are the elements no longer organized by atomic mass? The elements in the periodic table is arranged by the atomic number because the chemical behavior of the element is determined by the number of protons, not so much because of the protons, but becausein a neutral […]
What are the 3 classifications of galaxies?
What are the 3 classifications of galaxies? Astronomers classify galaxies into three major categories: elliptical, spiral and irregular. What type of galaxy has the youngest stars? Cards Term What is the shape of the Milky Way Galaxy? Definition A huge, slowly revolving disk. Term Which galaxy type has the oldest stars? Definition Elliptical Term Which […]
What country is #1 in science?
What country is #1 in science? China Is India good in math? Indian students are great at textbook math, but can hardly solve real-world problems. Not really learning. It’s widely believed that Indians are really good at math. The kids included in the analysis were enrolled from class 6 to class 10 across over 70 […]
Is it OK to put magnets on a refrigerator?
What is internal energy of an ideal gas?
What is internal energy of an ideal gas? Internal Energy of an Ideal Gas. Internal energy is the total energy contained by a thermodynamic system, and has two major components: kinetic energy and potential energy. What is internal energy formula? The first law of thermodynamics states that the change in internal energy of a system […]
What is meant by contour line?
What is meant by contour line? Contour line, a line on a map representing an imaginary line on the land surface, all points of which are at the same elevation above a datum plane, usually mean sea level. map: contour lines. The diagram illustrates how contour lines show relief by joining points of equal elevation. […]