District MOY Review - 8th Grade Science

Front

What describes the motion of a toy vehicle traveling at a constant speed?

Back

The vehicle maintains a steady speed without acceleration.

Front

What is another name for an alkaline substance?

Back

Base

Front

What is a molecule?

Back

More than one atom bonded together.

Front

Where are metals mostly found on the periodic table?

Back

On the left side.

Front

Why does ice float in water?

Back

As water freezes, it expands and its density decreases.

Front

What is the definition of density?

Back

Density is the mass of an object divided by its volume.

Front

What is an example of a base?

Back

Sodium hydroxide (NaOH) is a common base.

Front

What happens to the density of water as it freezes?

Back

The density decreases because water expands.

Front

What is the difference between an acid and a base?

Back

Acids donate protons (H+) while bases accept protons.

Front

What is the periodic table?

Back

A tabular arrangement of chemical elements organized by their atomic number.