9th Grade Physical Science Mid-Term

Front

What is a homogeneous mixture?

Back

A homogeneous mixture is a mixture that is evenly mixed, where the composition is uniform throughout.

Front

What are metalloids?

Back

Metalloids are elements that have properties of both metals and nonmetals.

Front

What does C.E.R. stand for in scientific reporting?

Back

C.E.R. stands for Claim, Evidence, and Reasoning.

Front

What is an independent variable in an experiment?

Back

The independent variable is the variable that a researcher manipulates to observe its effect on the dependent variable.

Front

Which element is a member of the Halogen family?

Back

Iodine (I) is a member of the Halogen family.

Front

What is a compound?

Back

A compound is a substance formed when two or more elements are chemically bonded together.

Front

What is a heterogeneous mixture?

Back

A heterogeneous mixture is a mixture where the components are not evenly distributed and can be easily separated.

Front

What are transition metals?

Back

Transition metals are elements found in groups 3-12 of the periodic table, known for their ability to form various oxidation states.

Front

What are halogens?

Back

Halogens are a group of elements in group 17 of the periodic table, known for being highly reactive nonmetals.

Front

What is the scientific method?

Back

The scientific method is a systematic process for investigating phenomena, acquiring new knowledge, or correcting and integrating previous knowledge.