Monday, March 12, 2012

New Worksheet - Chemistry: Naming Compounds

Practice naming chemical compounds with these exercises:


Chemistry - Naming Compounds
Name: ___________________


Give the chemical formula for each of the following compounds:

diphosphorus hexaoxide _________________________________________

dinitrogen tetrahydride _________________________________________

nitrogen monoxide _________________________________________

tetraphosphorus hexaoxide _________________________________________

carbon tetrachloride _________________________________________

iodine trifluoride _________________________________________

dichlorine heptoxide _________________________________________

potassium phosphide _________________________________________

strontium sulfide _________________________________________

aluminum chloride _________________________________________

aluminum sulfite _________________________________________

ammonium carbonide _________________________________________

lithium cyanide _________________________________________

sodium acetate _________________________________________

magnesium hydroxide _________________________________________

rubidium carbonate _________________________________________

beryllium phosphate _________________________________________

Monday, March 5, 2012

New Worksheet - Conversions (Part 2)

Conversions Worksheet (Part 2)
Name: ____________________________

1. 1 kg of noodles costs $2.75.
How much does 3 kg cost? ____________________
How much does 4 kg cost? ____________________
How much does 7 kg cost? ____________________
How much does 1/2 kg cost? ____________________
How much does 3/4 kg cost? ____________________
How much does 2.25 kg cost? ____________________
How much does 3.75 kg cost? ____________________
How much does 4.5 kg cost? ____________________

2. 1 kg of butter costs $4.20. Who much do 2.5 kg of butter cost? ___________________

3. A roll of wire with 100 meters of wire weighs 1.3 kg. Another roll of wire with 30 meters of wire weighs 250 grams. Do both rolls contain the same type of wire? (hint: 1 kg = 1000 grams) ____________________

4. 9 workers need 6 days to finish renovating a house if they work 7 hours each day. Two of the workers are sick, so the rest are working an extra hour a day. How long will it take them to finish the renovation? ____________________

5. Bill is visiting England and while there he sees Stonehenge. In order to figure out how heavy one of the stones is, he estimates that the stone is about 2 meters long, 1.5 meters thick, and 6 meters high. He finds out from a construction worker that a stone with the dimensions 12 cm, 25 cm and 100 cm will weigh 81 kg. Given this information, what is approximate weight of one of the Stonehenge stones? ____________________

Monday, February 27, 2012

New Worksheet - Conversions

Practice word problems and conversions between the metric system and the English system with this worksheet.


Word Problems – Conversions Worksheet

Name: ______________________________

Solve the following word problems.

1. A road is measured to be 452 feet long. What is the distance in meters? (1 foot = 12 inches; 1 inch = 2.54 cm; 100 cm = 1 meter) Round your answer to the nearest one's place.




2. Convert 74 cm to inches. (1 inch = 2.54 cm) Round your answer to the nearest one's place.




3. Convert 36 liters to gallons. (3.79 liters = 1 gallon) Round your answer to the nearest tenths.




3. Convert 98 liters to gallons. (3.79 liters = 1 gallon) Round your answer to the nearest tenths.




4. Convert 5 gallons to liters. (3.79 liters = 1 gallon) Round your answer to the nearest hundreth.




5. Convert 4 meters to feet. (1 foot = 12 inches; 1 inch = 2.54 cm; 100 cm = 1 meter) Round your answer to the nearest one's place.




6. Convert 7 feet to meters. (1 foot = 12 inches; 1 inch = 2.54 cm; 100 cm = 1 meter) Round your answer to the nearest one's place.




7. Convert 12 feet to cm. (1 foot = 12 inches; 1 inch = 2.54 cm) Round your answer to the nearest one's place.



Monday, February 20, 2012

New Worksheet - Chemistry: Lewis Structures

Practice your understanding of Lewis structures with this worksheet.


Chemistry - Lewis Structures

Name: _____________________________

Problems

Draw the Lewis structures for the following atoms:
1. Ba



2. Si



3. Se



Give the chemical formulas for the following molecules:
4. magnesium oxide ________________

5. potassium sulfide ________________

6. chromium (III) bromide ________________

7. sodium carbonide ________________


8. Which of these atoms has the greatest desire for extra electrons: Mg, P, or S? ________________

9. Which of these atoms has the largest atomic radius: Rb, Sb, Te, or Xe? ________________

10. Draw the Lewis structure for PF3.


Tuesday, February 7, 2012

New Worksheet - Trigonometry

Practice trigonometry problems with this worksheet. Use it to hone your understanding in Physics or Trigonometry.


Basic Trigonometry Worksheet

Name: _____________________________

Problems
1. A 5’10” man stands 13 feet away from a building. Using a protractor to measure the angle between himself and the top of the building, he gets an angle of 37 degrees. How high is the building?
____________________


2. A 5’6” girl stands 21 feet away from a building. Using a protractor to measure the angle between himself and the top of the building, she gets an angle of 43 degrees. How high is the building?
____________________


3. A 5’11” man stands 47 feet away from a building. Using a protractor to measure the angle between himself and the top of the building, he gets an angle of 59 degrees. How high is the building?
____________________


4. A road bed rises 274 feet for each 3125 horizontal feet of road. Find the angle of inclination of the roadbed.
____________________


5. A road bed rises 342 feet for each 4517 horizontal feet of road. Find the angle of inclination of the roadbed.
____________________


© 2012 Laura Glassel – lizzietutoring.blogspot.com

Monday, February 6, 2012

New ACT Preparation Course

Is your high-school student taking the ACT test this year?

Here is an opportunity to help your student get ready for the test by---
- finding out what to expect on the test
- learning test-taking strategies
- reviewing the content that the test covers

We are offering the test preparation course at two different times (each track will cover the same material).

Track 1 will meet for four one-hour sessions. Each session will cover one section of the ACT.
It will meet on Monday afternoons from 2:00-3:00 p.m.
Dates: April 30, May 7, 14, and 21
Location: 6400 Tanager Lane, Eden Prairie, MN 55346
Registration deadline for Track 1: Friday, April 20, 2012

Track 2 will meet for two two-hour sessions. Each session will cover two sections of the ACT.
It will meet on Monday afternoons from 2:00-4:00 p.m.
Dates: April 2 and 9
Location: 6400 Tanager Lane, Eden Prairie, MN 55346
Registration deadline for Track 2: Friday, March 23, 2012

Cost for each track: $80.00 per student for the entire course. Includes materials.

To register, fill out the form above.

Monday, January 30, 2012

New Worksheet - Newton's Laws

Practice acceleration problems with this worksheet. Use it to hone your understanding in Physics.


Newton's Laws

Name: ____________________________

Acceleration
1. A roller coaster car rapidly picks up speed as it rolls down a slope. As it starts down the slope, its speed is 4 m/s. But 3 seconds later, at the bottom of the slope, its speed is 22 m/s. What is the average acceleration?
____________________


2. A car advertisement states that a certain car can accelerate from rest to 90 km/h in 9 seconds. Find the car's average acceleration.
____________________


3. An eagle accelerates from 15 m/s to 22 m/s in 4 seconds. What is the eagle's average acceleration?
____________________


4. You drop a rock from a bridge, and it takes 3.1 seconds for it to hit the river below. How many meters did the rock fall?
____________________


5. You drop a rock from a bridge that is 50 feet high. For how long does the rock fall?
____________________



Newton's Second Law of Motion
1. A 52-kg water-skier is being pulled by a speedboat. The force causes her to accelerate at 2 m/s2. What force causes this acceleration?
____________________


2. How fast is a 1000-kg elevator accelerating if it is being acted upon by a force of 2000 N?
____________________


3. What is the mass of a cart if it is accelerating at 15 m/s2 and is being acted upon by a force of 825 N?
____________________


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