Mystery Science - Why Did The Dinosaurs Go Extinct?

The most complete fossilized skeleton of a T-rex was discovered in 1990. (90% of its bones were found together) It is nicknamed _______

• Sponge Bob

• Mary

• Sue

• Kim

We can tell T-Rex was a ____________________ by looking at its ___________________. (Pick 2)

• Herbivore

• Carnivore

• Skin

• Teeth

Answer explanation

That bad boy was a carnivore!

The T-Rex known as Sue lived during the ________________ period.

• Renaissance

• Cretaceous

• Middle Ages

• Jurrasic

Another way to identify what a dinosaurs ate is by looking at .... (Dino poop)

• Chocolite

• Slimeolite

• Stinkolite

• Coprolite

Answer explanation

Coprolite.....The name is derived from the Greek words κόπρος (kopros, meaning "dung") and λίθος (lithos, meaning "stone").

ALL of the choices below ARE or WERE excepted theories about why the dinosaurs became extinct EXCEPT...

• Volcanic Eruptions

• Asteroid Strike

• Ice Age

• Cave men shot them all

Answer explanation

Its unlikely early humans lived during the time of dinosaurs and they DEFINITELY didn't have guns.

Finding a crater large enough to support the theory it was possible an asteroid might have killed the dinosaurs took years. They finally discovered one....

• In Hawaii

• In the Yucatan Peninsula - Mexico

• In Siberia

• In the Sahara Dessert

Answer explanation

An example of a large and old impact crater is the Chicxulub crater with a diameter of 180 kilometers (110 miles). The impact that formed this famous crater is thought to have been responsible for the extinction of the dinosaurs, about 65 million years ago.

About how large was the asteroid that caused the Chicxulub Crater?

• 7 Miles wide

• 1 Mile wide

• 100 Miles wide

• 70 Miles wide

Answer explanation

It is estimated the asteroid was about 7 miles wide.

Events on earth like volcanic erruptions cause large amounts of soot and ash to go up into the atmosphere. This can cause....

• Dimmed sunlight

• Plants to grow poorly or die

• Temperatures to drop

• All of the above