Vocabulary Flashcard 1

Front

Reflect

Back

Bounces back

Front

Phenomenon

Back

Something that can be observed, but is hard to explain

Front

Atmosphere

Back

A mixture of gases surrounding the Earth

Front

Constraints

Back

Limitations or boundaries for an idea

Front

Transparent Material

Back

A material that allows light to pass through, such as a window.

Front

Reflection

Back

The bouncing back of light or sound when it hits a surface.

Front

Gas

Back

A state of matter that has no fixed shape and can expand to fill any space.

Front

Mixture

Back

A combination of two or more substances that retain their individual properties.

Front

Boundary

Back

A line that marks the limits of an area; a dividing line.

Front

Observation

Back

The action or process of closely monitoring something or someone.