Lab Safety
SigFigs
Physical/Chemical
Dimensional Analysis
Mixtures
100

If your lab partner's clothes catch on fire, what is the first thing you should do? 

Tell the teacher! 

100

How many sigfigs: 230 mL

2

100

Ripping paper, Physical or chemical? 

PHYSICAL!

100

Convert 23 cm to m

0.23 m

100

HO or HE: Salt water

HO

200

What word is used to describe how to appropriately smell unknown substances in lab? 

Waft

200

How many sigfigs: 0.003010

4

200

Burning Toast

Chemical

200

Convert 3,600,000 mm to km 

3.6 km

200

HO, HE, C. or E: Zinc

ELEMENT!

300

Best measuring tool to measure precise amounts of liquid

Graduated Cylinder

300

Solve and ROUND for sigfig: 3400/0.25

14000 or 1.4*10^4

300

What type of PROPERTY is this: Flammable

CHEMICAL!

300

Pluto's average distance from the Sun is about 3,666,000,000 miles.  What is this in inches?

2.323 x 10^14

300

HO,HE, C, or E: Salad

HE

400
True or False: Eating in the lab area is COMPLETELY safe :)

FALSE OMG!

400

Solve and ROUND for sigfig: 20+ 2.1

22 or 2.2 *10^1

400

What is the law of conservation of Matter (Mass)?

"Matter cannot be created nor destroyed."

400

A basketball weighs approximately 1.35 kg.  What is this mass in grams (g)?

1350 g

400

The components of this mixture can be easily seen with the naked eye and are distinguishable. 

Heterogeneous

500

Your friend caught on fire, what do you do? 

Cover them with a safety blanket and THEN tell me that they are on fire. 

500

Solve and ROUND for sigfig: 6.3 x 2.903

18 or 1.8 * 10^1

500

Physical or Chemical property: Attract to the south pole of a magnet. 

PHYSICAL!

500

The Earth’s circumference around the equator is slightly bulged as compared to the circumference around the poles.  If the circumference around Earth’s equator is 29,902 miles, what is this in Mm?

48.123 Mm

500

Elements and compounds are classified as this...

Pure substances!