7th Grade Review - November

Front

What is the material through which a wave travels?

Back

Medium

Front

What is the oldest rock layer?

Back

Layer D

Front

What is an example of repetition in scientific experiments?

Back

Conducting six trials to determine the time it takes 1 liter of water to boil.

Front

What is the difference between scientific theory and law?

Back

Laws describe events in nature, theories explain events in nature.

Front

In which material do sound waves travel at the greatest speed?

Back

A solid.

Front

What is a wave?

Back

A disturbance that transfers energy through space or matter.

Front

What is a mechanical wave?

Back

A wave that requires a medium to travel through.

Front

What is an electromagnetic wave?

Back

A wave that can travel through a vacuum and does not require a medium.

Front

What is a scientific theory?

Back

A well-substantiated explanation of an aspect of the natural world.

Front

What is a scientific law?

Back

A statement based on repeated experimental observations that describes some aspects of the universe.