Introduction to Matter

Front

What is matter?

Back

Matter is anything that has mass and takes up space.

Tags

NGSS.MS-PS1-4

Front

What is density?

Back

Density is the mass of an object divided by its volume, often expressed in grams per cubic centimeter (g/cm³).

Front

How do you calculate the volume of an irregular object using water displacement?

Back

To find the volume, submerge the object in water and measure the change in water level in a graduated cylinder.

Front

What is the law of conservation of mass?

Back

The law states that matter cannot be created or destroyed in a chemical reaction; it can only change forms.

Tags

NGSS.MS-PS1-5

Front

What is a homogeneous mixture?

Back

A homogeneous mixture is a mixture in which the composition is uniform throughout, such as saltwater.

Front

What is a heterogeneous mixture?

Back

A heterogeneous mixture is a mixture in which the composition is not uniform, such as a salad.

Front

What is the difference between mass and weight?

Back

Mass is the amount of matter in an object, while weight is the force exerted by gravity on that mass.

Front

What units are commonly used to measure volume?

Back

Common units for volume include milliliters (mL) and liters (L).

Front

What is the formula for calculating density?

Back

Density = Mass / Volume.

Front

What is the significance of the graduated cylinder in measuring liquids?

Back

A graduated cylinder is used to accurately measure the volume of liquids.