ch2 review (m)

Ch2 review M. Chemistry Name__________________-

1km = _________ m

1m= ___________cm

1mm = _________ m

1L = __________ mL

The prefix meaning one thousand is _________

When you go on a diet, what do you really want to lose? ________ Why?

If Joe knows he as 80mL of water, what else would he need to know to find its density? ____________________

Give some examples of density units __________ _____________ _____________

What is the mass of a 50cm3 object that has a density of 4g/cm3? _______ work:

What is the volume of a 120g object that has a density of 2g/cm3?________ work:

What is the density of water? _____________ How can you tell if an object will float in water?

Change 3.12 * 10^-5 into a standard number.

Change 8,500,000,000 into scientific notation.

What is the volume of a 30g rock that causes water to rise from 10mL to 25 ml when submerged? ________ what is the mass of the rock? ________ what is its density? ____

Will it float or sink in water? ___________ Why?

What 2 things are needed to find density?__________ ________________

What is mass?

What is measured in kelvins?

What is measured in a graduated cylinder?

List the steps of scientific method.