G7A U4M2L2 Development of a Theory

Multiple Choice

The correct answer is

• A

• B

• C

• D

Open Ended

How did scientists use an echo sounder to map the shape of the sea floor?

Poll

The ocean floor is flat

• Agree

• Disagree

Open Ended

What patterns did scientists find of the age of the rocks on the ocean floor?

Vocabulary

• Seafloor spreading

• Magma

• Lava

​Vocabulary

1. Hypothesis (فرضية): an assumption that explains a phenomena without enough evidence.

2. Theory (نظرية): a scientifically proven explanation of a phenomena

3. Tectonic Plate: a huge slab of rock

Multiple Choice

Which one is stronger and has enough evidence?

• The theory

• The hypothesis

Multiple Choice

Wegener's continental drift hypothesis supports the theory of plate tectonics.

• True

• False

Fill in the Blank

The movement of ________ ______ causes the continents to move on Earth's surface.

Multiple Choice

How many tectonic plates does the Earth have?

• 13

• 14

• 15

• 16

Earth's Tectonic Plates - Labelled diagram

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Multiple Choice

The correct answer for question 2 is

• A

• B

• C

• D