True O or False X
T Rex's arms were too short to scratch its chin.
O True.
What dinosaurs have pointy bones on their backs?
A) Stegosaurus (劍龍)
B) Tyrannosaurus (暴龍)
C) Brachiosaurus (腕龍)
A) Stegosaurus (劍龍)
Why did dinosaurs get extinct?
Because climate changes made it hard for them to find enough food.
Dinosaurs with sharp teeth were meat eater.
O True.
Where were the first dinosaur bones discovered?
A) In Taiwan
B) In England
C) In America
B) In England.
How do scientists know a dinosaur eats plant or meat?
They tell from the shapes of teeth and jaws.
All dinosaurs were giant.
X False.
Some of them were giants but some of them were the size of chickens.
How did Stegosaurus (劍龍) fight attack from meat-eating dinosaurs?
A) They used their horns.
B) They used spikes on their tails.
C) They bit with their teeth.
B) They used spikes on their tails.
What is the largest and longest dinosaur?
brachiosaurus (腕龍)
All the dinosaurs live in the same time.
X False
They are from different times.
When were the last dinosaurs died?
A) 65 years ago.
B) 65 thousand years ago.
C) 65 million years ago.
C) 65 million years ago.
Why did some dinosaurs live in groups?
It helped protect them from predators.
A brachiosaurus is as heavy as an elephant.
X False.
A brachiosaurus weighed more than ten elephants.
What do scientists use to put together dinosaurs bones?
A) glue and sticks
B) ropes and tape
C) pipes and metal wire
C) pipes and metal wire
How did they protect baby dinosaurs?
Baby dinosaurs walked in the center of the herd.