Discovering Dinosaurs

Why is it harder to find older fossils than newer ones?

• Older fossils are deeper in the ground.

• Older fossils are in the top layers of rock.

• Older fossils are bigger than newer ones.

What is the main idea of the book?

• Scientists find fossils of many plants and animals.

• Dinosaurs lived millions of years ago.

• Fossils tell lots of important things about dinosaurs.

How are dinosaur bones and other animal bones alike?

• Both kinds of bones are always the same color.

• Both kinds of bones can be the same shape.

• Both kinds of bones are always the same size.

What did scientists learn about dinosaurs from fossils?

• Some had flat teeth, and others had sharp teeth.

• Dinosaur skeletons should be in museums.

• Dinosaurs disappeared because they were too big.

What are fossils?

• parts of dinosaurs put in a museum

• things made by scientists to look like animals

• parts of living things that turned into stone over time

What are two ways that some dinosaurs were like birds?