7th Grade 1st Semester Final Review

7^th Grade-1^st Semester Final Review

Metric System

1. What tools and units would you use to measure length, mass, volume, and temperature?

Scientific Method

2. What are the major steps of the scientific method?
3. What is the difference between a qualitative and quantitative observation? Give an example.
4. What is the independent and dependent variables?
5. Why is it important to only test on thing at a time?
6. Know how to identify good and bad experiment designs and how to write a hypothesis.

Atoms

7. What are the 3 subatomic particles of an atom and where are they located?
8. What are the charges of each?
9. What is the atomic number and how can it tell you the number of protons?
10. What is the atomic mass (mass number) and how can you use it to find the number of neutrons?
11. How do you find the number of electrons?
12. Know the names and symbols of the first 18 elements.
13. Draw the Lewis dot structure and Bohr diagram for Al. Know how to do this for all elements.

Chemical Bonds

14. Using the criss-cross method determine the chemical formulas and names for:

1. Na⁺ and Cl^-
2. Mg⁺² and F^-

15.    How can you tell if a compound is ionic or covalent?

16.    Be able to draw an ionic or covalent bond using the Lewis dot structures.

17.    What is the difference between a physical change and a chemical change? Give examples of each.

18.    What are the 4 signs of a chemical reaction?

Study your old tests and quizzes!

8th Grade 1st Semester Final Review

8^th Grade 1^st Semester Review

Metric System

1. What units and tools would be used to measure length, volume, mass, and temperature?

 Scientific Method

1. What are the major steps of the scientific method?
2. What is the difference between a qualitative and quantitative observation? Give an example.
3. What is the independent and dependent variables?
4. Why is it important to only test on thing at a time?
5. Know how to identify good and bad experiment designs and how to write a hypothesis.

Motion

1. How can you tell if an object is in motion?
2. What is speed and how do you find it?
3. What is acceleration and how do you find it?

Forces

1. What is a force and what is the unit?
2. What is net force and how can you find it?
3. When describing a force, you must give the ______________ and _______________.
4. What are balanced and unbalanced forces?
5. What are the types of friction and examples of each?
6. What are examples of the laws of motion?
7. What is gravity and what two factors affect it?
8. What are two ways to change acceleration?

Forces in Fluids

1. What is pressure and how do you find it?
2. What is the unit for pressure?

Work, Power, and Energy

1. What is work and how is it measured?
2. What is the unit of work?
3. What is pressure and how is it measured?
4. What is the unit of power?
5. What are kinetic and potential energy and how are they related?
6. What are the 7 forms of energy and examples?