Q.1.
a) Mantle
b) Tectonic plates
c) Plate boundary
Q.2.
- When two plates move away from each other: Divergent boundary
- When two plates crash into each other: Convergent boundary
- When two plates slide past each other: Transform boundary
Q.3.
1. True
2. False
3. False
4. True
5. False
Q.4.
[Top left box] North American Plate
[Top right box] Pacific Plate
[Bottom left box] Antarctic Plate
[Bottom right box] African Plate
Q.5.
a) Pangaea
Q.6.
- Continents fit together like puzzle pieces.
- Fossils of same reptile (Mesosaurus) found in Africa and South America.
- Similar mountain ranges on different continents.
- Studies of ancient climates.
Q.7.
b) Plate tectonic
Q.8.
a) Thicker and less dense
Q.9.
a) North American Plate
Q.10.
c) Asthenosphere
Q.11.
c) Convergent
Q.12.
a) Transform
Q.13.
a) Zone of subduction
Q.14.
b) Younger than
Word Search Puzzle:
- Definition 1: Lithosphere
- Definition 2: Crust
- Definition 3: Tectonic plates
- Definition 4: Divergent boundary
- Definition 5: Convergent boundary
- Definition 6: Transform boundary
- Definition 7: Subduction zone
- Definition 8: Earthquake
- Definition 9: Seismic waves
- Definition 10: Magnitude
- Definition 11: Richter scale
Parent Tip: Review the logic above to help your child master the concept of plate tectonics worksheet answers.
