Moving_Continents_Questions grade 7 inspire science

moving continents questions

1. Kingdom of Saudi Arabia
Ministry of Education
Al Hussan National School - International program
Vision: "Pioneering in the upbringing of a creative, talented,
distinguished generation with Islamic values capable of meeting
the challenges of participating in the bettering of its society"
Mission: "Providing a distinguished educational service with
international standards and comprehensive quality in a safe and
attractive environment"
Science -Grade 7
Unit 2 Lesson 1 Moving Continents Worksheet
Choose the correct answer:
1. Which scientist proposed the theory of continental drift?
a) Alfred Wegener
b) Harry Hess
c) Charles Darwin
d) Isaac Newton
2. The name of the supercontinent that existed millions of years ago is:
a) Laurasia
b) Pangaea
c) Gondwana
d) Eurasia
3. Continental drift explains:
a) Why continents move apart and together
b) Why the Earth spins faster
c) Why mountains erode
1 Mrs. Menna Mostafa

2. Kingdom of Saudi Arabia
Ministry of Education
Al Hussan National School - International program
Vision: "Pioneering in the upbringing of a creative, talented,
distinguished generation with Islamic values capable of meeting
the challenges of participating in the bettering of its society"
Mission: "Providing a distinguished educational service with
international standards and comprehensive quality in a safe and
attractive environment"
d) Why volcanoes erupt
4. Wegener used which of the following as evidence for continental drift?
a) Fossils, climate, and rock formations
b) Ocean currents
c) Wind patterns
d) Moon phases
5. Fossils of Glossopteris plants are evidence that:
a) All continents were once connected
b) Dinosaurs lived everywhere
c) The equator moved
d) The Earth cooled recently
6. Wegener’s theory was not accepted at first because:
a) He couldn’t explain how continents moved
b) There was no fossil evidence
c) Scientists disliked his maps
d) His theory contradicted gravity
7. Which of the following supports the idea of past continental connections?
a) Similar rock layers on different continents
b) Different climates everywhere
2 Mrs. Menna Mostafa

3. Kingdom of Saudi Arabia
Ministry of Education
Al Hussan National School - International program
Vision: "Pioneering in the upbringing of a creative, talented,
distinguished generation with Islamic values capable of meeting
the challenges of participating in the bettering of its society"
Mission: "Providing a distinguished educational service with
international standards and comprehensive quality in a safe and
attractive environment"
c) Volcanic eruptions in oceans
d) Changes in ocean salinity
8. The continents are moving due to:
a) Convection currents in the mantle
b) Earth’s rotation
c) Gravity from the moon
d) Magnetic field reversal
9. Which of these was part of Pangaea?
a) South America
b) Africa
c) Asia
d) All of the above
3 Mrs. Menna Mostafa

4. Kingdom of Saudi Arabia
Ministry of Education
Al Hussan National School - International program
Vision: "Pioneering in the upbringing of a creative, talented,
distinguished generation with Islamic values capable of meeting
the challenges of participating in the bettering of its society"
Mission: "Providing a distinguished educational service with
international standards and comprehensive quality in a safe and
attractive environment"
F ill in the Blanks
1. The idea that continents slowly move over Earth’s surface is called
____________________.
2. The scientist who proposed this theory was ____________________.
3. The large landmass that broke apart about 200 million years ago was
called ____________________.
4. Fossils of the same species found on different continents support the
theory of ____________________.
5. Wegener used evidence from fossils, ____________________, and
____________________ to support his theory.
6. The slow movement of Earth’s plates is caused by
____________________ currents in the mantle.
7. The continents fit together like pieces of a ____________________.
8. Wegener’s theory later led to the modern theory of
____________________ ____________________.
9. The matching mountain ranges in South America and Africa are examples
of ____________________ evidence.
4 Mrs. Menna Mostafa

5. Kingdom of Saudi Arabia
Ministry of Education
Al Hussan National School - International program
Vision: "Pioneering in the upbringing of a creative, talented,
distinguished generation with Islamic values capable of meeting
the challenges of participating in the bettering of its society"
Mission: "Providing a distinguished educational service with
international standards and comprehensive quality in a safe and
attractive environment"
10. Fossils of tropical plants found in Antarctica suggest that the climate
there was once ____________________.
Answer the following questions.
1) State the Theory of Continental Drift.
2) Why did most scientists reject Wegner’s theory for nearly a half a century?
3) What was the name of the large “supercontinent” formed when all of the continents
were joined together?
5 Mrs. Menna Mostafa

6. Kingdom of Saudi Arabia
Ministry of Education
Al Hussan National School - International program
Vision: "Pioneering in the upbringing of a creative, talented,
distinguished generation with Islamic values capable of meeting
the challenges of participating in the bettering of its society"
Mission: "Providing a distinguished educational service with
international standards and comprehensive quality in a safe and
attractive environment"
True or False
1. Alfred Wegener called his theory “continental drift.” (True/False)
2. Pangaea means “all Earth” in Greek. (True/False)
3. Wegener’s theory was accepted immediately. (True/False)
4. Similar fossils found on different continents support continental drift.
(True/False)
5. The continents move because of earthquakes. (True/False)
6. Fossil evidence helped prove that continents were once joined.
(True/False)
7. Wegener explained the movement of continents using mantle convection.
(True/False)
8. Rocks on the ocean floor are older near the mid-ocean ridge. (True/False)
6 Mrs. Menna Mostafa

7. Kingdom of Saudi Arabia
Ministry of Education
Al Hussan National School - International program
Vision: "Pioneering in the upbringing of a creative, talented,
distinguished generation with Islamic values capable of meeting
the challenges of participating in the bettering of its society"
Mission: "Providing a distinguished educational service with
international standards and comprehensive quality in a safe and
attractive environment"
9. Continents are still moving today. (True/False)
10. The Atlantic Ocean is getting smaller every year. (True/False)
7 Mrs. Menna Mostafa