One step
Two step plus
Dimensional Analysis word problems
Significant Figures
Intro to Chem
100
Convert 45 inches to feet.
What is 3.75 feet
100

Convert 2 miles to centimeters.

321869 cm

100

A student goes through seven class periods in school. Each period lasts 55 minutes. How many hours does he spend in class per day?

What is 6.4 hours

100

How many significant figures are in 11.03 km

What is 4

100

Which state of matter is compressible? 

Gas

200

Convert 10 inches into centimeters

What is 25.4 cm

200

Convert 40 yards to miles.

(1 yard= 3 feet) & (1 mile= 5280 ft) 

What is 0.022 miles

200
A rattlesnake is 2.44 m long. How many centimeters long is the snake?
What is 244 cm
200

How many significant figures are in 33027000 meters

What is 5

200

List one difference between chemical and physical changes 

Chemical change is a permanent change 

Physical deals with states of matter changes

etc

300

Convert 320 ounces into pounds 

(1 lb = 16 ounces) 

What is 20 lb

300

27 gallons to milliliters

( 1 gallon= 3.78541 L)

102,206 mL

300

A bucket contains 4.65 L of water. How many gallons of water is that?(1 gallon = 3.78541 L) 

What is 1.23 gal

300

Write the answer to this problem in the correct significant figures: 8.01-6.2 

What is 1.8

300

Identify if the reaction below is a chemical or physical change. Explain why?

Cu + FeCl--> CuCl2 + Fe 

Chemical, what you start with is not what you end with 

400

Convert 12 L into gallons (1 gallon= 3.78541 L)

What is 3.2 gal

400

How many kilometers are there in 28.90 inches. (Make sure your answer is in the right significant figures to win points) 

0.0007341km

400

You have a cat that weighs 19 pounds how many ounces does he weigh?

(1lb = 16 ounces) 

What is 304 oz

400

Write the answer to this problem in the correct significant figures: 4.353 x 0.0030

What is 0.013

400

Students collect data on an objects mass. The true value for the mass is 30.0 grams. 

The students collected the following masses: 29.9g, 30.1 g, 30.0 g, 29.9 grams, 20.1 grams. 

Which data point has the highest percent error? Calculate the percent error.

33% 

500

Convert 36 seconds to minute.

What is 0.6 min

500

Convert 8.01 ounces to pounds (lbs) 

(1 lb = 16 ounces) 

( 1 quart = 4 cups ) 

0.501 lbs

500

The speed of a plane is 80 kilometers per hour and the speed of a train is 44 miles per hour. Which one is faster?

What is the plane is faster

70 kilometers for train

500

Solve this problem and make sure your answer is in the correct significant figures: 

(4.504 + 3.4545) x 1.23334

What is 9.816

500

Students add vinegar to milk and notice it curdles after a few minutes. Is this chemical or physical reaction?

They then decided to weigh the mass of each curdle and get the following data: 0.012g, 0.013 g, 0.012 g, 0.011 g, and 0.011 g

Is there data accurate? precise? Explain and calculate the average. 

chemical

both

precise, but we can't say it's accurate without knowing the true value of the mass of curdles