Word Knowledge

1
Word Knowledge

• Why Did the Dinosaurs Disappear?

Open Court Anthology Grade 2
2
Word Knowledge

• roam to wander
• rare unusual extraordinary
• soot ash dirt dust
• erupt explode blow up

3
Word Knowledge

• 1. roam rare soot erupt
• 2. protection imagination infection
  reflection
• 3. uncover uncertain unkind unwise
• 4. disappear dislike disbelief disagree
• 5. dinosaur for more swirl

4
1. Scientists use fossils to uncover clues about
dinosaurs.
2. Dinosaurs were so huge that they could not
burrow into the ground for warmth and protection.
3. A dinosaur might have eaten plants or animals.

5
Word Knowledge

• 1. roam rare soot erupt
• 2. protection imagination infection
  reflection
• 3. uncover uncertain unkind unwise
• 4. disappear dislike disbelief disagree
• 5. dinosaur for more swirl

6
erupt
7
roam
8
soot
9
rare
10
Dinosaurs were so huge that they could not burrow
into the ground for warmth and protection.