What is it called when you study stars? What is Astronomy? Astronomy is the study of everything in the universe beyond Earth’s atmosphere. That includes objects we can see with our naked eyes, like the Sun , the Moon , the planets, and the stars . How do scientists study space today? Astronomers study the […]
How do we use refraction in everyday life?
How do we use refraction in everyday life? Refraction of light can be seen in many places in our everyday life. It makes objects under a water surface appear closer than they really are. It is what optical lenses are based on, allowing for instruments such as glasses, cameras, binoculars, microscopes, and the human eye. […]
What is Parallax give an everyday example?
What is Parallax give an everyday example? The term “parallax” refers to the apparent movement of objects when viewed from different positions. The everyday example of this is seen driving on the highway– when you look out the window, electrical poles near the road seem to zoom past, while trees in the distance appear to […]
Why the nucleus is very dense?
When did the church admit the Earth was round?
When did the church admit the Earth was round? 1633 When was Heliocentrism finally accepted? It was not until the 16th century that a mathematical model of a heliocentric system was presented, by the Renaissance mathematician, astronomer, and Catholic cleric Nicolaus Copernicus, leading to the Copernican Revolution. Did the Catholic Church accept the heliocentric theory? […]
Where does the oil dipstick go in a Nissan Pathfinder?
Is a pencil chemical change?
Is a pencil chemical change? When you sharpen your pencil, you have only caused a physical change. The sharpener has cut off some of the wood and maybe also some of the graphite, but the atoms of the wood and graphite have not changed chemically. Is snow a physical or chemical change? When rain turns […]
What do bacteria use for movement?
What do bacteria use for movement? flagellum What are two foods that bacteria help make? Bacteria are used to make food, such as cheese and yogurt, and they can also help us break down harmful substances in the environment. Scientists created a type of bacteria that could gobble up oil from oil spills. What are […]
What will happen if a bar magnet is broken in two pieces and why?
What will happen if a bar magnet is broken in two pieces and why? If a bar magnet is broken into two pieces, each piece will behave as an individual magnet because the new poles are formed at the broken ends. If these pieces are broken further, the smaller pieces still remains as individual magnets […]
Is the bottom of the wave?
Is the bottom of the wave? The bottom of a wave is called the trough. The distance between two consecutive crests or two consecutive troughs is the wavelength. What happens when a deep water wave starts to feel the bottom? As a deep-water wave reaches shore, at the point where the depth of the water […]