Vocabulary
What does starve mean?
suffer from hunger, very hungry
True or False? No one knows for sure what happened to the dinosaurs or what made them extinct.
True
What hit the earth so hard that it made a crater?
meteorites
True or False? The volcanoes erupted, then burned and killed all the dinosaurs.
False
Cause: many volcanoes erupted, what's the effect?
When many volcanoes erupt, it cause ashes and soots, and smoke to rise into air blocking out the sun's rays. This can cause the climate to change.
What is Moisture?
water in the air or on a surface
What do scientist believe might be the best theory to explain why all the dinosaurs became extinct?
The climate changed. The weather became very cold and all the living things died out.
What was idea some scientists had about poisonous plants?
These plants poisoned the plant-eating dinosaurs. Then meat-eating dinosaurs starved because they could not find plant-eating dinosaurs to eat.
What did scientist find in Mexico?
a hugh crater
The ocean water rises and fall, creating moisture in the air, and more rain will fall. This will cause the climate to change and become colder.
What is erupt?
True
What is the idea about what happened to the dinosaurs that laid eggs?
Some small animals or dinosaurs stole and ate the eggs before it hatched.
What did scientist find in the layers of clay?
iridium
True or False: The volcanoes erupted and the lava burns the living things around and killed ALL the dinosaurs.
False
something that is seen or found out for the first time
In 1978, what did scientists find that gave them ideas about how dinosaurs disappeared?
How can earthquakes effect the climate?
The earthquakes cause the ocean water to rise and fall, creating moisture in the air, so there are more rain and the climate became cold.
What year did the scientists found a crater?
1980
What is protection?
To keep someone or something from harm
How long was the crater?
How can volcanoes hurt the dinosaurs?
The volcanoes erupts and ashes, soots, and rocks filled the air blocking the sun's ray. The weather becomes cold, killing plants and animals.
Some dinosaurs are too big to burrow underground, or they do not have feathers to keep warm.