How is water turned into ice instantly? Sharply knock a bottle of supercooled liquid water on the table and it instantly turns to slushy ice before your eyes. You put a plastic bottle of soda pop or water in the freezer for a few minutes to get it ice cold. How long does it take […]
What is the difference between horizontal and vertical bar graphs?
What is the difference between horizontal and vertical bar graphs? The title of the horizontal bar graph tells about the data being represented by the graph. The vertical axis represents the data categories. The horizontal axis represents the values corresponding to each data value. When using the bar graph the width of the bars must […]
Who has played at the most World Cups?
Who has played at the most World Cups? Soccer players with the most appearances at the FIFA World Cup from 1930 to 2018 Number of appearances Lothar Matthäus (Germany) 25 Miroslav Klose (Germany) 24 Paolo Maldini (Italy) 23 Uwe Seeler (Germany) 21 Has the US ever made it to the World Cup final? The United […]
Is 60 gigahertz harmful to humans?
Is 60 gigahertz harmful to humans? In addition to the very low power levels discussed above, 60 GHz systems do not penetrate the human body. As a result, exposure to 60 GHz is very similar to the exposure to sunlight ” but at 1/10,000 of the energy. Lower-frequency emissions penetrate and may even pass completely […]
How long should a discussion be in a lab report?
How long should a discussion be in a lab report? The discussion will also include an analysis of random and systematic errors. A typical length for this section will be 4 pages of double-spaced text but, depending on the complexity of the experiment, more text is sometimes needed. What should be included in a discussion? […]
Who is the most famous woman scientist?
Who is the most famous woman scientist? Today on our Science Blog, we’ll take a look at some of the most famous women scientists and their achievements. 1- MARIE CURIE. 2- JANE GOODALL. 3- MARIA MAYER. 4- RACHEL CARSON. 5- ROSALIND FRANKLIN. 6- BARBARA MCCLINTOCK. 7- RITA LEVI-MONTALCINI. 8- GERTRUDE ELION. Who was the greatest […]
Can a clam leave its shell?
Can a clam leave its shell? Since their exoskeleton is not shed, shells must enlarge to accommodate body growth. Certain kinds of clams, in early stages of life possess a gland that produces a thread-like material (byssus) that serves to anchor them to grains of sand or rocks. Do clams have hearts? A clam’s shell […]
Is AB blood type dominant or recessive?
What is the coldest item in the world?
What is the coldest item in the world? The protoplanetary Boomerang Nebula, located 5,000 light-years from Earth, holds the record for coldest known object in the Universe. Outflows of gas, streaming out from the central dying star, reach temperatures below -270 degrees Celsius. How long does volcanic ash stay in the air? three years Why […]
How mass of the ball affects the motion of the ball?
How mass of the ball affects the motion of the ball? Both encounter the same air resistance, but, the heavier ball has a greater downward force which overcomes the upward force of the air. The heavier ball will still reach a t erminal velocity. But, it will accelerate longer than the hollow ball, and its […]