How Much Sleep Do Kids Need?
Julianne Robertson investigates the world of snoozes, forty winks, cat naps and snoring. What is SLEEP, why do we need it, and how much sleep do kids need?
A couple of nights ago I was feeling really, really tired, so I went to bed early. I slept soundly, without even dreaming, until about 5am, when I woke up. It felt like I’d only been sleeping for about 5 minutes! After that, I fell back to sleep but had lots of vivid dreams and when I woke up a couple of hours later, it felt like I’d been asleep for a long time. After all that I still felt well-rested and was ready for the day.
All this made me wonder – what IS sleep? Why is it that some nights we feel like we’ve had a really good nights’ sleep, while other nights we still feel tired when we wake up in the morning? Here’s what I’ve discovered about sleep…
Fact or Fable? Most body heat is lost through the head
Many people believe that you should keep your head covered during cold weather, as most body heat is lost through the head. It’s certainly true that any part of your body that’s exposed to cooler air will lose warmth; heat always moves from something warm to something cooler (that’s called the second law of thermodynamics). And our heads and faces are more sensitive to changes in temperature than other parts of the body.
How Do We Know How Old an Artifact Is? A Kid-Friendly Introduction of Carbon Dating
What can we tell from the study of BONES? According to Tina, we can tell an awful lot about a person by studying their bones – even centuries after they died. This process is called CARBON DATING.
Tales From The Farm – Help Name Rosie’s Lambs
Yesterday we heard the sad story of the lamb that did not survive. Rosie’s mum has been in touch to tell us how the other little lambs are doing.
As you can see from the pictures, they are all doing great. It was cold on the farm yesterday, as the family went about their duties, making sure the sheep and lambs were healthy and content.
Rosie’s dad has been ploughing the fields, and getting ready to sew oats and barley. Do you know what they look like?
Oats
Barley
Can you see the difference between the two photos?
There is always work to be done on the Farm, and it is not a 9am to 5pm job. It is a way of life.
Rosie and her family are going to find out whether the lambs are male of female and have asked Jump! readers to help name them. The lambs are named in alphabetical order, so this year their names should start with a “D”.
What do you think? What names do you like?
Leave a comment to suggest a name and Rosie will pick the names she likes best.