24-25 Semester Review

Front

What type of galaxy is the Milky Way?

Back

The Milky Way is a spiral galaxy.

Front

What is cohesion in terms of water molecules?

Back

Cohesion is when water molecules are attracted to other water molecules.

Front

What pH range do acids fall under?

Back

Acids range from 0 to 6.99 on the pH scale.

Front

Which of Newton's Laws explains why it's easier to push an empty shopping cart than a full one?

Back

This is explained by Newton's 2nd Law of Motion.

Front

What does a mixture of elements represent?

Back

A mixture of elements is a combination of two or more elements that are not chemically bonded.

Front

Define a spiral galaxy.

Back

A spiral galaxy is a type of galaxy characterized by its spiral arms that wind outward from the center.

Front

What is the definition of a pure substance?

Back

A pure substance is a material that has a constant composition and consistent properties throughout.

Front

What is the difference between a compound and a mixture?

Back

A compound is a substance formed when two or more elements are chemically bonded, while a mixture is a combination of substances that are not chemically bonded.

Front

What is the significance of water's polarity?

Back

Water's polarity allows it to dissolve many substances, making it a universal solvent.

Front

What is an example of an irregular galaxy?

Back

An example of an irregular galaxy is the Large Magellanic Cloud.