Vocab Review

Front

What are the dark features that can be seen on the surface of the sun?

Back

Sunspots

Front

The net transfer of heat is ___________ when both objects have ______________ temperature.

Back

zero, same

Front

Explanation of how the dinosaurs disappeared: Theory or Law?

Back

Theory

Front

What is this? (referring to a basic unit of matter)

Back

Molecule

Front

Which sphere is 'A'? (referring to the Earth's systems)

Back

Biosphere

Front

What is a mixture?

Back

A combination of two or more substances that are not chemically bonded.

Front

What is a compound?

Back

A substance formed when two or more elements are chemically bonded.

Front

What is the atmosphere?

Back

The layer of gases surrounding the Earth.

Front

What is the geosphere?

Back

The solid part of the Earth, including rocks and soil.

Front

What is the hydrosphere?

Back

All the water on Earth, including oceans, rivers, and lakes.