Can rainbows form in a circle? – Henry D ... to bunch up at a slightly different angle, and each color forms the circular rim ...

Step 4: Ask an adult to help lift the circle off the pan and QUICKLY ... melted chocolate and cover in unicorn multi-coloured sprinkles. Set the cones on some baking paper until the chocolate ...

That coloured circle is called the iris and the black spot ... Inside the retina, there are millions of special sense receptors called rods and cones. The rods see the shapes of things, picking ...