Upper Jurassic

High school (ages 12+)
History & Culture

Name:

Date:

Step 1 · Read the article

Open the article and read it at the level above. Then answer the questions below in your own words.

https://smallwhale.org/articles/upper-jurassic

Write what each word means, using the article.

Do not copy the article. Write two things you learned, the way you would explain them to a friend.

Answers below are taken from the article’s stored facts, so they match what the student read.

1. What is the geological epoch?Upper Jurassic, Late Jurassic Epoch
2. What is the prominent terrestrial vertebrates?Allosaurus, Brachiosaurus, Stegosaurus, Diplodocus, Apatosaurus
3. What was the Upper Jurassic period?The Upper Jurassic was a time about 157 to 145 million years ago when Earth was changing a lot. The big continents were pulling apart, making new seas and land.
4. Why were there so many giant dinosaurs in the Upper Jurassic?Because the continents were breaking apart and the climate was warm and humid, many dinosaurs could grow huge. Warm weather and lots of food let giants like Brachiosaurus and Allosaurus thrive.

Pangaea: A supercontinent that existed during the late Paleozoic and early Mesozoic eras, comprising all the Earth's landmasses.
Theropod: A group of bipedal carnivorous dinosaurs, including the ancestors of birds.
Sauropod: A large, long-necked, long-tailed herbivorous dinosaur.
Lagerstätte: A site with an exceptionally abundant and well-preserved fossil record.