2024 TEST MATTER AND MEASUREMENT UNIT 1.1

Front

What is the definition of mass?

Back

Mass is the amount of matter (stuff) in an object.

Front

How do you convert Celsius to Kelvin?

Back

To convert Celsius to Kelvin, add 273 to the Celsius temperature.

Front

What happens to objects as they get hot?

Back

As objects get hot, they expand, their density decreases, and they may change state.

Front

How is 0.0005 expressed in scientific notation?

Back

0.0005 is expressed as 5 x 10^-4 in scientific notation.

Front

What is the formula for calculating density?

Back

Density is calculated using the formula: Density = Mass / Volume.

Front

If an object has a mass of 27.1g and a volume of 3.0 mL, what is its density?

Back

The density of the object is 9.0 g/mL.

Front

What is the relationship 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 SI unit of mass?

Back

The SI unit of mass is the kilogram (kg).

Front

What is the significance of significant figures in measurements?

Back

Significant figures indicate the precision of a measurement and help convey the uncertainty in the data.

Front

What is the boiling point of water in Kelvin?

Back

The boiling point of water is 373 K.