Quarter 1 Fall Semester Review

Front

What is the definition of a homogeneous mixture?

Back

A homogeneous mixture is a mixture in which the composition is uniform throughout. Examples include saltwater and air.

Front

What is the significance of significant figures in measurements?

Back

Significant figures indicate the precision of a measurement. They help convey how accurate a measurement is.

Front

How do you convert centimeters to meters?

Back

To convert centimeters to meters, divide the number of centimeters by 100. (e.g., 330 cm = 3.3 m)

Front

How do you convert milliliters to liters?

Back

To convert milliliters to liters, divide the number of milliliters by 1000. (e.g., 0.57 mL = 0.00057 L)

Front

What is the formula for calculating density?

Back

Density = Mass/Volume. It is usually expressed in g/cm³ or kg/m³.

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 is the metric unit for mass?

Back

The metric unit for mass is the gram (g).

Front

What is the metric unit for volume?

Back

The metric unit for volume is the liter (L) or cubic centimeter (cm³).

Front

What is the purpose of using scientific notation?

Back

Scientific notation is used to express very large or very small numbers in a compact form, making them easier to read and work with.

Front

How do you determine the number of significant figures in a measurement?

Back

Count all non-zero digits, any zeros between them, and trailing zeros only if there is a decimal point.