Gateway to Science Vocab List G

Front

A galaxy is a group of hundreds of billions of stars that extends over millions of light years. The Milky Way galaxy is the extremely large group of stars and planets to which Earth and its solar system belong.

Back

galaxy

Front

Gamma rays

Back

A type of electromagnetic radiation that has a shorter wavelength and higher energy than X-rays.

Front

A gene is the part of a cell in a living thing which controls its physical characteristics, growth, and development.

Back

gene

Front

Geothermal energy

Back

Energy that comes from hot water and steam beneath Earth's surface.

Front

If a seed germinates, it starts to grow.

Back

germinate

Front

Glacier

Back

An extremely large mass of ice which moves very slowly, often down a mountain valley.

Front

Glucose is a type of sugar that is made by plants and algae.

Back

glucose

Front

Golgi complex

Back

A structure inside the cells of animals and plants, which controls the production and secretion of substances such as proteins.

Front

What type of cylinders are marked with lines and numbers and used to measure volume of liquids or solids?

Back

graduated

Front

What is gravity?

Back

the force that causes things to drop to the ground