First Semester 7th Grade Science Review Flashcard

Front

What type of change forms new kinds of matter?

Back

Chemical change

Front

What is the process called when heat is transferred through direct contact?

Back

Conduction

Front

What is the process called when heat is transferred through the movement of fluids?

Back

Convection

Front

What is the process called when heat is transferred through electromagnetic waves?

Back

Radiation

Front

Which of the following is a chemical change: Melting ice, Dissolving sugar in water, Burning wood, or Boiling water?

Back

Burning wood

Front

What force pulls objects toward each other?

Back

Gravity

Front

What is inertia?

Back

The tendency of an object to resist changes in its state of motion.

Front

What is the definition of matter?

Back

Anything that has mass and takes up space.

Front

What is the difference between a physical change and a chemical change?

Back

A physical change does not alter the chemical composition of a substance, while a chemical change does.

Front

What is an example of a physical property?

Back

Color, shape, or mass of an object.