Sometimes whales seem to forget that they need to stay in deep water. Whales are much too big to swim in shallow water. If they come too close to the beach they get stuck. Kind people try to push them away from the shore, but they have to wait for the tide to come in to make the water deep enough.

The Arctic and Antarctica are the wildest places on Earth. After millions of years, they have hardly changed. In the oceans, there are huge icebergs and tiny sea creatures. On the ice, there are polar bears, penguins and people. The Arctic and the Antarctic are important, special places. Would you like to go there?

What is a life cycle? The growth of a frog from an egg to an adult is most unusual. A frog's egg hatches into a tiny animal that does not look at all like a frog! A tadpole is more like a fish swimming in the water. It has to go through many changes to become a frog hopping around on the land.

Robots are clever machines that can move and do jobs for people. Robots are used to do work that is too boring or dangerous or hard for people to do. They can go places that people can't reach, like the bottom of the ocean or far out in space. There are robots that play games and some that help doctors and firefighters. What would you like to see a robot do?

What time is it right now? When is midnight? Why is it called midnight? When is midday or noon? What does afternoon mean? When we say it is six o'clock, that means six hours have passed since midnight or noon. O'clock means of the clock. Why is it important to know the time?

What is a chain? Where do we use a chain? Can you make a chain with your fingers? Living things are linked through a food chain, what do you think a food chain is? A fly, spider and bird are linked through a food chain, can you guess how?