Unit two Review

Which of the Earth’s spheres is made up of all living things?

• Biosphere

• Lithosphere

• Atmosphere

• hydrosphere

Which of the Earth’s spheres is made up of the Earth’s crust and the land on its surface?

• atmosphere

• Lithosphere

• hydrosphere

• biosphere

Which of the Earth’s spheres is made up of the gases and air that surround the Earth and sustain life?

• biosphere

• atmosphere

• lithosphere

• hydrosphere

Which of the Earth’s spheres is composed of all the water on the planet, including oceans, seas, and rivers?

• atmosphere

• hydrosphere

• atmosphere

• biosphere

The tilt of the Earth’s axis causes seasons. When it is wintertime in the Northern Hemisphere, which season is taking place in the Southern Hemisphere?

• winter

• spring

• summer

• fall

In the image above, the arrow is pointing to a layer of the Earth that has constantly moving currents. Which of the Earth’s layers is the arrow pointing to?

• the crust

• the mantle

• inner core

• outer core

In the image above, the arrow is pointing to a layer of the Earth that is solid and extremely hot. Which of the Earth’s layers is the arrow pointing to?

• mantle

• crust

• inner core

• outer core

Which of the following statements is not a part of the theory of plate tectonics?

• Plates float on top of the Earth’s mantle

• the Earth’s plates never move

• Tectonic activity happens at plate boundaries

• The Earth’s crust is composed of many plates

At the type of plate boundary shown in the image above, two plates are separating and pulling apart. Which type of plate boundary is shown in this image?

• transform

• collision

• convergent

• divergent

The above image shows a supercontinent that is part of a theory by Alfred Wegener. This supercontinent is a part of the theory of __________.

• tectonic activity

• continental drift

• divergence

• the layering of the Earth