STAAR SCIENCE 8TH REVIEW

Front

What is a metal?

Back

A metal is a solid material that is typically hard, shiny, malleable, ductile, and a good conductor of heat and electricity.

Front

What is a nonmetal?

Back

A nonmetal is an element that is typically not shiny, is a poor conductor of heat and electricity, and can be solid, liquid, or gas at room temperature.

Front

What does malleable mean?

Back

Malleable refers to a material's ability to be shaped or bent without breaking.

Front

What does ductile mean?

Back

Ductile refers to a material's ability to be stretched into a wire without breaking.

Front

How many elements are in the chemical formula C6H12O6?

Back

There are 3 different elements: Carbon (C), Hydrogen (H), and Oxygen (O).

Front

What is a chemical reaction?

Back

A chemical reaction is a process that leads to the transformation of one set of chemical substances to another.

Front

What evidence indicates a chemical reaction has occurred?

Back

Evidence includes gas production, color change, temperature change, or the formation of a precipitate.

Front

What is Newton's First Law of Motion?

Back

An object at rest stays at rest, and an object in motion stays in motion unless acted upon by an external force.

Front

What is an example of Newton's First Law?

Back

A magician pulling a tablecloth from under dishes without moving them demonstrates this law.

Front

What is the role of water in baking a cake?

Back

Water helps to keep the cake moist and is involved in the chemical reactions that occur during baking.