1. Why Did the Dinosaurs Disappear? Unit 4 Story 4 By Mrs. Nailon

2. Climate The average or normal weather conditions of a place weather In the summer, the weather in California is sunny and hot.

3. Protection Keep someone from harm I wear a helmet when I ride my bicycle for head protection.

4. Moisture Water or liquid in the air or on a surface damp After it rains there is moisture in the air.

5. Erupt To break out suddenly with force The large earthquake caused volcanoes to erupt around the world.

6. Discovery Something seen or found for the first time The discovery of dinosaur fossils taught us about life in the past.

7. Starve Not enough food to eat Plant eating dinosaurs starved when the plants began to die.

8. Burrow Hide in or under something The animals burrow underground to hide from their enemies.