Grade 1 - A History Of The Earth

The History of the Earth: Supplemental Guide 8A | Dinosaurs 155

we will fi nd the answer some day, because the clues about the

history of the earth are all there in the rocks. Ask my friend Gerry

the Geologist, and he will tell you the same thing!

Discussing the Read-Aloud 15 minutes

Comprehension Questions 10 minutes

 Show image 8A-1: Tyrannosaurus Rex skeleton

1. Inferential What is the name of this dinosaur? (The name of
   this dinosaur is Tyrannosaurus Rex.) Pretend that you are a
   paleontologist. How would you describe a Tyrannosaurus Rex
   to someone? (A Tyrannosaurus Rex was a very large dinosaur.
   It was a predator and ate meat.)


2. Inferential What does it mean when someone says that
   dinosaurs are extinct? (When someone says that dinosaurs
   are extinct, it means that there are no living dinosaurs left.)
    Show image 8A-3: Stegosaurus


3. Literal What is the name of this dinosaur? (The name
   of this dinosaur is Stegosaurus.) Pretend that you are a
   paleontologist. How would you describe a Stegosaurus to
   someone? (A Stegosaurus was a plant eater with sharp plates
   on its back and a spiky tail.)


4. Inferential Do we know what dinosaurs really looked like? (No,
   we do not know what dinosaurs really looked like.) Why not?
   (Dinosaurs are extinct. They lived many, many years ago and
   only their bones have been found.)


5. Inferential How do we know anything about dinosaurs if they
   are extinct? (Paleontologists have found and studied fossilized
   dinosaur bones.)


6. Evaluative What do some scientists think caused dinosaurs
   to become extinct? (Some scientists think a meteorite caused
   dinosaurs to become extinct.) Do you think scientists will ever
   be sure? (Answers may vary.)
   [Please continue to model the Think Pair Share process for students,
   as necessary, and scaffold students in their use of the process.]