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Science News – Solar Storms Due to Hit Earth
This weekend the Earth is due to be hit by a pair of solar storms that might affect radio and satellite communication. But how and why does this happen?
What Does Solar Mean?
Anything that is related to a sun is commonly described as being solar. Our sun is a typical medium-sized yellow star which is about 5 billion years old. Its surface temperature is about 5,500°C, but even that isn’t as hot as its superheated centre. Some parts of the sun’s surface are cooler, with a temperature of between 2,700–4,200°C, and these appear darker when viewed through specialised telescopes. These cooler patches are caused by fluctuations in the sun’s magnetism and are called sun spots.
What Makes a Family?
What does the word ‘family’ mean to you? It can mean many things in our society. Some define family as a mother, a father and one or more children. For others, there don’t need to be children in the home for there to be a family. Where there are children, about three quarters of the parents will be married to each other.
In 2013 the Office of National Statistics, which is a government body which takes surveys on all manner of topics to help the government make policy (rules under which we all live), found that there were 18.2 million people living in this type of family. Many more of us have families which have a different make-up. For the purpose of the survey, a family is defined as people living in the same household.
However, as many of you will know, there are other ways in which we describe our family. There are children who have two parents of the same gender, there are children who have only one parent with whom they live, other children have guardians and live with aunts, uncles or grandparents.
What is a Stick Bomb?
11-year-old Andre Jefferson explained stick bombs as being, ‘a kinetic chain reaction that is weaved together with jumbo popsicle sticks, that creates tension, and when you take one of the sticks out, it releases potential energy and makes it pop up about this high’.
If you are thinking ‘What?’ then watch the rest of his TEDx talk to find out what a ‘Stick bomb’ is and what makes them jump.
An Aspiring Champion for Team GB
Meet Lilly Williams-Howell, a talented young skater from Prestatyn, in North Wales.
Lilly, who is now 11 years old, has been skating since age 7, and is now very close to realising her dream of representing her country. After a lot of training and practice, she now has the chance to skate at an international competition for Team GB. We talked to Lilly a little bit about her skating, and her hopes for the future.
Can Too Much Screen Time Damage Your Eyes?
I bet you’ve heard some adults warn that too much screen time can damage your eyes. Some even say that sitting too close to a screen can be harmful. This is an idea that’s been around for decades but is there any truth to it?
In the latest of our Fact or Fable series, Sam investigates.