9th Honors Chapter 1 Test Review

How many significant digits are in 2000dg?

Goggles are only worn when using acids.

Which of the following are reasons we use the metric system?

A variable that is kept the same in an experiment is called a

Start working as soon as you get in the lab.

Convert 900g to cg.

756mL ____ .75L

Convert .0025kg to hg.

In order for the results of an experiment to be accepted, the work must be able to be

The first step in the scientific method is to

Be responsible in the lab.

Convert 2000dg to dkg.

The SI unit for mass is the

The variable that is measured in an experiment is called the

590g_____6 kg

Return unused chemicals to their original containers.

Ruler measurements in centimeters should have ____ decimal places.

How many significant digits are there in .0025kg

Don't examine glassware before each use(it's ok to use cracked glassware).

Keep your lab area really, really messy.

How many significant digits are in 900g?

Convert 20012.0L to mL.

Convert 6892g to kg.

When multiplying or dividing, the answer should have the least number of _________ as used in the problem.

.280km ____ 280m

Convert 231.20m to dm.

When adding or subtracting, the answer should have the least number of _________ as used in the problem.

Variables affecting plant growth(that may need to be controlled) include:

How many significant digits are in 231.20m?

Which is not necessary for a scientific theory to be accepted?

How many significant digits are there in 20012.0?

The SI unit for volume is the

How many significant digits are in 6892g?

Which of the following is a base unit?

A controlled variable is a variable that may affect results and that is

The SI unit for length is the

In a controlled experiment, how many variables should be tested at one time?

Drinking water out of a beaker is ok, but drinking acids our of a beaker is not.

The variable that is manipulated in an experiment is called the

A scientific method...