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[vc_row][vc_column][vc_column_text css=”.vc_custom_1544664779624{margin-bottom: 10px !important;}”]1. What percentage of the earth is covered by water?[/vc_column_text][vc_column_text css=”.vc_custom_1544665037922{padding-top: 15px !important;padding-right: 30px !important;padding-bottom: 15px !important;padding-left: 30px !important;background-color: #d7f9df !important;}”]Answer: About 71 percent of the earth’s surface is covered by water.
– Submitted by Robert Gagosian, Woods Hole Oceanographic Institute[/vc_column_text][vc_separator][vc_column_text css=”.vc_custom_1544665013480{margin-bottom: 10px !important;}”]2. What sorts of signals does the brain use to communicate sensations, thoughts and actions?[/vc_column_text][vc_column_text css=”.vc_custom_1544665081408{padding-top: 15px !important;padding-right: 30px !important;padding-bottom: 15px !important;padding-left: 30px !important;background-color: #d7eef9 !important;}”]Answer: The single cells in the brain communicate through electrical and chemical signals.
– Submitted by Torsten Weisel, Rockefeller Institute, New York[/vc_column_text][vc_separator][vc_column_text css=”.vc_custom_1544665103839{margin-bottom: 10px !important;}”]3. Did dinosaurs and humans ever exist at the same time?[/vc_column_text][vc_column_text css=”.vc_custom_1544665121801{padding-top: 15px !important;padding-right: 30px !important;padding-bottom: 15px !important;padding-left: 30px !important;background-color: #d7f9df !important;}”]Answer: No. Dinosaurs went extinct at the end of the Cretaceous period, 65 million years ago. Modern humans did not appear until around 200,000 years ago.
– Submitted by Andrew C. Revkin, New York Times Science Reporter[/vc_column_text][vc_separator][vc_column_text css=”.vc_custom_1544665149700{margin-bottom: 10px !important;}”]4. What is Darwin’s theory of the origin of species?[/vc_column_text][vc_column_text css=”.vc_custom_1544665162674{padding-top: 15px !important;padding-right: 30px !important;padding-bottom: 15px !important;padding-left: 30px !important;background-color: #d7eef9 !important;}”]Answer: Darwin’s theory of species origination says that natural selection chooses organisms that possess variable and heritable traits and that are best suited for their environments.
– Submitted by Jonathan Weiner, 1995 Pulitzer Prize-Winning Author[/vc_column_text][vc_separator][vc_column_text css=”.vc_custom_1544665183750{margin-bottom: 10px !important;}”]5. Why does a year consist of 365 days and a day of 24 hours?[/vc_column_text][vc_column_text css=”.vc_custom_1544665194554{padding-top: 15px !important;padding-right: 30px !important;padding-bottom: 15px !important;padding-left: 30px !important;background-color: #d7f9df !important;}”]Answer: A year, 365 days, is the time it takes for the Earth to travel around the Sun. A day, 24 hours, is the time it takes for the Earth to spin around once on its axis.
– Submitted by Leslie Sage, Nature Magazine[/vc_column_text][vc_separator][vc_column_text css=”.vc_custom_1544665214729{margin-bottom: 10px !important;}”]6. Why is the sky blue?[/vc_column_text][vc_column_text css=”.vc_custom_1544665229337{padding-top: 15px !important;padding-right: 30px !important;padding-bottom: 15px !important;padding-left: 30px !important;background-color: #d7eef9 !important;}”]Answer: Solar radiation sunlight is scattered across the atmosphere by a process called diffused sky radiation. The sky is blue because much more short-wave radiation–blue light–is scattered across the sky than long-wave radiation–red light.
– Submitted by Roy Glauber, 2005 Nobel Prize Winner; Harvard University[/vc_column_text][vc_separator][vc_column_text css=”.vc_custom_1544665251385{margin-bottom: 10px !important;}”]7. What causes a rainbow?[/vc_column_text][vc_column_text css=”.vc_custom_1544665261596{padding-top: 15px !important;padding-right: 30px !important;padding-bottom: 15px !important;padding-left: 30px !important;background-color: #d7f9df !important;}”]Answer: Rainbows can be seen when there are water droplets in the air and the sun is shining. Sunlight, which contains all colors, is refracted, or bent, off the droplets at different angles, splitting into its different colors of red, orange, yellow, green, blue, indigo and violet.
– Submitted by Kim Kastens, Columbia University[/vc_column_text][vc_separator][vc_column_text css=”.vc_custom_1544665279727{margin-bottom: 10px !important;}”]8. What is it that makes diseases caused by viruses and bacteria hard to treat?[/vc_column_text][vc_column_text css=”.vc_custom_1544665290388{padding-top: 15px !important;padding-right: 30px !important;padding-bottom: 15px !important;padding-left: 30px !important;background-color: #d7eef9 !important;}”]Answer: Influenza viruses and others continually change over time, usually by mutation. This change enables the virus to evade the immune system of its host so that people are susceptible to influenza virus infection throughout their lives. Bacteria mutate in the same way and can also become resistant if overtreated with antibiotics.
– Submitted by Helle Gawrylewski, Johnson & Johnson[/vc_column_text][vc_separator][vc_column_text css=”.vc_custom_1544665313120{margin-bottom: 10px !important;}”]9. How old are the oldest fossils on earth?[/vc_column_text][vc_column_text css=”.vc_custom_1544665322832{padding-top: 15px !important;padding-right: 30px !important;padding-bottom: 15px !important;padding-left: 30px !important;background-color: #d7f9df !important;}”]Answer: About 3.8 billion years; they’re bacteria-like organisms.
– Submitted by Paul Nurse, 2001 Nobel Prize Winner; Rockefeller Institute[/vc_column_text][vc_separator][vc_column_text css=”.vc_custom_1544665343177{margin-bottom: 10px !important;}”]10. Why do we put salt on sidewalks when it snows?[/vc_column_text][vc_column_text css=”.vc_custom_1544665354942{padding-top: 15px !important;padding-right: 30px !important;padding-bottom: 15px !important;padding-left: 30px !important;background-color: #d7eef9 !important;}”]Answer: Adding salt to snow or ice increases the number of molecules on the ground surface and makes it harder for the water to freeze. Salt can lower freezing temperatures on sidewalks to 15 degrees from 32 degrees.
– Submitted by Arthur Knudsen, Bridgeton, N.J., Schools[/vc_column_text][vc_empty_space height=”22px”][/vc_column][/vc_row][vc_row][vc_column][vc_custom_heading text=”Share this list with your friends” font_container=”tag:h3|text_align:left” google_fonts=”font_family:Open%20Sans%20Condensed%3A300%2C300italic%2C700|font_style:700%20bold%20regular%3A700%3Anormal”][vc_column_text css=”.vc_custom_1544651688995{padding-top: 15px !important;padding-right: 30px !important;padding-bottom: 15px !important;padding-left: 30px !important;background-color: #ffeaa6 !important;}”]Contact us now to find out how your child can accelerate their science.[/vc_column_text][vc_column_text]www.kingsgate.edu.my | @KingsgateInternationalSchool | International School Malaysia[/vc_column_text][/vc_column][/vc_row]