When we make new roads, we need machines to help us. When we build new schools and houses, we need machines. Big machines are strong. They do work that is too hard for us. Some machines help to load ships and lift heavy things. Some machines move earth and rocks.

Dinosaurs were reptiles that lived millions of years ago. It was a long time before there were any people on the earth. Scientists have looked at dinosaur bones and found out many things about what they were like. Nobody knows why the dinosaurs disappeared. People have made pictures to show what they might have looked like. What do we know about dinosaurs?

How old are you? Do you know someone who is very old? Who is very young? How old are your friends? How old are the other people in your family? How old will you be when you have your next birthday?

A simpler reader discussing various jobs.

Do you know how bees make honey? Bees make honey to eat in the winter when there are not many flowers around. Beekeepers get the honey out of beehives for us to eat.

Children go to school all over the world. They get to school in lots of different ways. Some children go by bus or train. Some get a ride from their home to school. How do you go to your school?

Patterns are designs that show the same thing over and over. When shapes or colors are repeated, we see a pattern. Some patterns are made by people, and some can be seen in the world around us. Some patterns are made with colors and lines. Other patterns are made with words or numbers or sounds. What patterns can you see and hear?

Puppies like to chew things. They also like to run and chase things and jump up. They don't come when their owners call them. Some puppies go to Puppy School. What do you think they learn at Puppy School?

Are you good at sorting things into sets? Some children went for a walk in the park and on the beach. They found lots of different things. They sorted them into some interesting sets.

In this reader, students will read about the teeth of different animals.