Physical Science Warmup Review #1

Front

What state of matter has a definite volume and a variable shape?

Back

Liquid

Front

What is a scientific Law?

Back

A statement that describes some aspect of a phenomenon that is always true.

Front

What is a scientific Theory?

Back

A well tested explanation for a set of observations or experimental results.

Front

What is the responding variable in an experiment?

Back

The variable that is measured or observed, often referred to as the dependent variable.

Front

What does the Lewis Dot Structure represent?

Back

The valence electrons of an atom, depicted as dots around the element's symbol.

Front

What is the difference between a scientific Law and a Theory?

Back

A Law describes what happens under certain conditions, while a Theory explains why it happens.

Front

What is the definition of matter?

Back

Anything that has mass and takes up space.

Front

What are the three main states of matter?

Back

Solid, liquid, and gas.

Front

What is an example of a physical change?

Back

Melting ice or boiling water.

Front

What is an example of a chemical change?

Back

Rusting iron or burning wood.