New Worksheet - Science - Conversions (II)

formulas:
1 in = 2.54 cm
1 slug = 14.59 kg
1 gal = 3.79 L

Convert the following:
1. 210 m into km

Answer: _______________________

2. 730 cm into mm
Answer: _______________________

3. 673 mg into g
Answer: _______________________

4. 11.7 cm into m
Answer: _______________________

5. 4 years into hours
Answer: _______________________

6. 986 mm into inches
Answer: _______________________

7. 97 cm into inches
Answer: _______________________

8. 400 kg into slug
Answer: _______________________

9. 72.3 gal into L
Answer: _______________________

10. 242 mL into gal
Answer: _______________________

11. 60 kg into slug
Answer: _______________________

12. 97.3 cm into feet
Answer: _______________________

13. 14 mL into gal
Answer: _______________________

14. 8.0 L into mL
Answer: _______________________


© 2019 Laura Glassel – lizzietutoring.blogspot.com

New ACT Preparation Courses - May and June 2019

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

I am offering the test preparation course at four different times (each track will cover the same material). New registration deadline. See below.

Track 1 will meet for two two-hour sessions. Each session will cover two sections of the ACT.
It will meet on Thursday mornings from 10:00 a.m.-12:00 noon.
Dates: May 16 and 23
Location: 7096 Ticonderoga Trail, Eden Prairie, MN 55346

Track 2 will meet for two two-hour sessions. Each session will cover two sections of the ACT.
It will meet on Friday afternoons from 1:00-3:00 p.m.
Dates: May 17 and 24
Location: 7096 Ticonderoga Trail, Eden Prairie, MN 55346

Track 3 will meet for two two-hour sessions. Each session will cover two sections of the ACT.
It will meet on Wednesday afternoons from 1:00-3:00 p.m.
Dates: June 5 and 12
Location: 7096 Ticonderoga Trail, Eden Prairie, MN 55346

Track 4 will meet for two two-hour sessions. Each session will cover two sections of the ACT.
It will meet on Thursday afternoons from 1:00-3:00 p.m.
Dates: June 6 and 13
Location: 7096 Ticonderoga Trail, Eden Prairie, MN 55346

Cost: $90.00 per student for the entire course. Includes materials.

Registration deadline: Friday, May 10, 2019

To register, fill out the contact form on the right.

New Worksheet - Science - Speed of Sound (II)

Formulas
frequency = speed of sound / wavelength
speed of sound = (331.5 + 0.60 x temperature of air in Celsius) m/s

Directions
Using the formulas listed above, solve the following problems. Round approximate answers to 2 digits after the decimal.

Problem 1
A sound wave traveling through 26º C air has a wavelength of 1.77 meters. What is the frequency of the sound wave?
Answer: _________________________

Problem 2
A jet aircraft is traveling at mach 3.1 through air at 16ºC. What is the jet's speed in m/sec?
Answer: _________________________

Problem 3
What is the frequency of a wave that travels at a speed of 10 m/s and has a wavelength of 1.4 m?
Answer: _________________________

Problem 4
What is the wavelength of a wave that travels at a speed of 4 m/s and has a frequency of 2.8 Hertz?
Answer: _________________________

Problem 5
What is the speed of a wave that has a wavelength of 6.75 m and a frequency of 1.7 Hertz?
Answer: _________________________

Problem 6
What is the wavelength of a wave that travels at a speed of 25 m/s and has a frequency of 4.9 Hertz?
Answer: _________________________


© 2019 Laura Glassel – lizzietutoring.blogspot.com

New Worksheet - Science - Bohr Models (II)

Directions
Give the information about what the Bohr model says the following atoms looks like.
The number listed after the chemical symbol is the mass number.
(Electron capacity for each orbit: orbit 1 is 2 electrons; orbit 2 is 8 electrons; orbit 3 is 18 electrons; orbit 4 is 32 electrons; orbit 5 is 50 electrons).

1. Rh – 103
number of protons ________
number of neutrons ________
number of electrons in orbit 1 ________
number of electrons in orbit 2 ________
number of electrons in orbit 3 ________
number of electrons in orbit 4 ________
number of electrons in orbit 5 ________

2. Th – 232
number of protons ________
number of neutrons ________
number of electrons in orbit 1 ________
number of electrons in orbit 2 ________
number of electrons in orbit 3 ________
number of electrons in orbit 4 ________
number of electrons in orbit 5 ________

3. Lu – 175
number of protons ________
number of neutrons ________
number of electrons in orbit 1 ________
number of electrons in orbit 2 ________
number of electrons in orbit 3 ________
number of electrons in orbit 4 ________
number of electrons in orbit 5 ________

4. Sb – 122
number of protons ________
number of neutrons ________
number of electrons in orbit 1 ________
number of electrons in orbit 2 ________
number of electrons in orbit 3 ________
number of electrons in orbit 4 ________
number of electrons in orbit 5 ________

5. Zr – 91
number of protons ________
number of neutrons ________
number of electrons in orbit 1 ________
number of electrons in orbit 2 ________
number of electrons in orbit 3 ________
number of electrons in orbit 4 ________
number of electrons in orbit 5 ________

6. Pd – 106
number of protons ________
number of neutrons ________
number of electrons in orbit 1 ________
number of electrons in orbit 2 ________
number of electrons in orbit 3 ________
number of electrons in orbit 4 ________
number of electrons in orbit 5 ________


© 2019 Laura Glassel – lizzietutoring.blogspot.com

New Worksheet - Science - Protons, Electrons, and Neutrons (II)

Directions
List how many protons, electrons, and neutrons each atom has.
Note: the number listed is the mass number.

1. Pu – 244
protons: ________
electrons: ________
neutrons: ________

2. Md – 258
protons: ________
electrons: ________
neutrons: ________

3. Am – 243
protons: ________
electrons: ________
neutrons: ________

4. Pa – 231
protons: ________
electrons: ________
neutrons: ________

5. Sb – 122
protons: ________
electrons: ________
neutrons: ________

6. P – 31
protons: ________
electrons: ________
neutrons: ________

7. Ca – 41
protons: ________
electrons: ________
neutrons: ________

8. Dt – 163
protons: ________
electrons: ________
neutrons: ________

9. Ce – 140
protons: ________
electrons: ________
neutrons: ________

10. Co – 59
protons: ________
electrons: ________
neutrons: ________


© 2019 Laura Glassel – lizzietutoring.blogspot.com

New Worksheet – Science - Universal Law of Gravitation (II)

1. The gravitational force between two objects (mass 1 = 20 kg, mass 2 = 85 kg) is measured when the objects are 15 centimeters apart. The masses are then changed to mass 1 = 5 kg, mass 2 = 60 kg, and the distance between them is increased to 30 cm. How does the gravitational attraction compare to the first one that was measured?
Answer: _______________________

2. The gravitational force between two objects (mass 1 = 400 kg, mass 2 = 75 kg) is measured when the objects are 100 centimeters apart. The masses are then changed to mass 1 = 45 kg, mass 2 = 5 kg, and the distance between them is changed to 40 cm. How does the gravitational attraction compare to the first one that was measured?
Answer: _______________________

3. The gravitational force between two objects (mass 1 = 75 kg, mass 2 = 40 kg) is measured when the objects are 100 centimeters apart. The masses are then changed to mass 1 = 5 kg, mass 2 = 80 kg, and the distance between them is changed to 90 cm. How does the gravitational attraction compare to the first one that was measured?
Answer: _______________________

4. The gravitational force between two objects (mass 1 = 60 kg, mass 2 = 5 kg) is measured when the objects are 55 centimeters apart. The masses are then changed to mass 1 = 50 kg, mass 2 = 65 kg, and the distance between them is changed to 25 cm. How does the gravitational attraction compare to the first one that was measured?
Answer: _______________________

5. The gravitational force between two objects (mass 1 = 65 kg, mass 2 = 7 kg) is measured when the objects are 80 centimeters apart. The masses are then changed to mass 1 = 40 kg, mass 2 = 49 kg, and the distance between them is changed to 8 cm. How does the gravitational attraction compare to the first one that was measured?
Answer: _______________________

6. The gravitational force between two objects (mass 1 = 2 kg, mass 2 = 100 kg) is measured when the objects are 5 centimeters apart. The masses are then changed to mass 1 = 8 kg, mass 2 = 70 kg, and the distance between them is changed to 75 cm. How does the gravitational attraction compare to the first one that was measured?
Answer: _______________________

7. The gravitational force between two objects (mass 1 = 40 kg, mass 2 = 75 kg) is measured when the objects are 35 centimeters apart. The masses are then changed to mass 1 = 30 kg, mass 2 = 5 kg, and the distance between them is changed to 70 cm. How does the gravitational attraction compare to the first one that was measured?
Answer: _______________________

8. The gravitational force between two objects (mass 1 = 30 kg, mass 2 = 20 kg) is measured when the objects are 4 centimeters apart. The masses are then changed to mass 1 = 40 kg, mass 2 = 5 kg, and the distance between them is changed to 36 cm. How does the gravitational attraction compare to the first one that was measured?
Answer: _______________________

9. The gravitational force between two objects (mass 1 = 15 kg, mass 2 = 65 kg) is measured when the objects are 60 centimeters apart. The masses are then changed to mass 1 = 60 kg, mass 2 = 75 kg, and the distance between them is changed to 3 cm. How does the gravitational attraction compare to the first one that was measured?
Answer: _______________________

10. The gravitational force between two objects (mass 1 = 15 kg, mass 2 = 35 kg) is measured when the objects are 60 centimeters apart. The masses are then changed to mass 1 = 30 kg, mass 2 = 95 kg, and the distance between them is changed to 80 cm. How does the gravitational attraction compare to the first one that was measured?
Answer: _______________________



© 2019 Laura Glassel – lizzietutoring.blogspot.com

New Worksheet – Math – Percentages (II)

1. Find the percentage for each of these problems:

5 out of 31 _____________________

4 out of 70 _____________________

10 out of 55 _____________________

370 out of 4000 _____________________

44 out of 120 _____________________

22 out of 48 _____________________


2. Find the final number:

650 increased by 19% _____________________

60 increased by 65% _____________________

92 increased by 38% _____________________

3 increased by 95% _____________________

200 increased by 80% _____________________

100 increased by 88% _____________________


3. Mrs. Biddle opens up a savings account and deposits $3700. The interest rate for this account is 4.9%. How much money does she receive from the interest after one year?
_____________________

4. A household used 42000 gallons of water in one year. This was a 8% increase from the previous year. How much water did this household use the previous year?
_____________________

5. The rent for an apartment is being increased from $700 to $765. What percentage is this increase?
_____________________

6. An armchair costs $263 after a 7% reduction. How much did the chair cost originally?
_____________________



© 2019 Laura Glassel – lizzietutoring.blogspot.com