The GED Science test's Earth & Space Science portion makes up about 20% of the exam. This section tests your ability to understand and apply concepts related to Earth's systems and its place in the universe. It is not about memorizing specific facts, but rather about using reasoning skills to interpret data from passages, charts, and graphs.

Key Topics in Earth and Space Science

  • Earth's Systems and Processes: This includes the structure of the Earth (core, mantle, crust), plate tectonics, geological cycles, the atmosphere and oceans, and natural resources (both renewable and nonrenewable). You should also understand major processes like the water cycle and carbon cycle.

  • Weather and Climate: Be prepared to analyze data related to weather patterns, climate change, and how human activities and natural events impact the environment.

  • Astronomy and the Universe: Topics in this area include the structure of the solar system, the relationship between the sun, moon, and Earth, and basic concepts about stars, galaxies, and the universe.

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This portion of the test often requires you to interpret diagrams of geological processes or planetary orbits and to evaluate scientific claims based on provided evidence.

This video provides an overview of what's on the GED Science test, including the Earth and Space Science portion.

What is on the GED Science Test?












GED Earth & Space Science Quiz

🪐 GED Earth & Space Science Quiz

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Superlative Adjectives



Superlative Adjectives sentences examples:
Superlative Adjectives

Superlative Adjectives

Gap-fill exercise

Superlative Adjectives
Complete the sentences with the appropiate Superlative Adjectives. Use the adjective in parenthesis ().




1. The Atacama is the desert on earth. It's located in Chile.(dry)

2. The Rainbow Mountains, in China, is the mountain on this planet. (colorful)

3. Neptune is the planet in the solar system. It has an average temperature (around -214°C). (cold)

4. Greenland is the island in the world. (big)

5. Mauna Kea in Hawaii, is the volcano in the world. (high)

6. If you work with dynamite, then you have to be the person. (careful)

7. The Zambezi is considered by many to be the world's river. (dangerous)

8. The Mariana Trench is the part of the ocean. (deep)

9. Benxi Lake in China was lately approved by Guinness World Records as “the world's lake”. (small)

10. Niagara Falls, in North America, has to be the waterfall around the world. (popular)