The four major domains of the Earth are ___, ___, ___, and ___.

Lithosphere, Atmosphere, Hydrosphere, and Biosphere

What is the primary characteristic of the lithosphere?

The lithosphere is the solid portion of the Earth, composed of rocks and a thin layer of soil that contains mineral nutrients.

Riddle: I cover more than 71% of the Earth’s surface, and I am essential for life, yet too salty for most uses. What am I?

The oceans.

Which continent is known as the 'island continent'?

Australia, because it is surrounded by oceans on all sides.

Fill in the blank: The ___ is the gaseous layer that surrounds the Earth.

Atmosphere

What distinguishes the seven continents from the ocean basins?

The continents are large landmasses, while ocean basins are vast water bodies that separate these landmasses.

How do ocean currents, tides, and waves contribute to the characteristics of the oceans?

They are the three main movements of ocean water that affect sea level, weather patterns, and marine ecosystems.

True or False: Antarctica is located in the North Polar Region.

False. Antarctica is located in the South Polar Region.

The Indian Ocean is unique because it is named after ___ .

A country.

True or False: The Atlantic Ocean is the largest ocean on Earth.

False. The Atlantic Ocean is the second-largest ocean.

Which gas is utilized by plants during photosynthesis?

Carbon dioxide.

What role does nitrogen play in the environment?

Nitrogen is important for plants because they make many important molecules from nitrogen.

The Southern Ocean encircles ___ .

Antarctica.

Short Answer: What percentage of air is composed of nitrogen?

78%.

What is the shape of the Pacific Ocean?

Almost circular.

True or False: Atmospheric pressure is highest at high altitudes.

False. Atmospheric pressure is highest at sea level.

Fill in the blank: Air moves from ___ pressure to ___ pressure.

High, low