1. Shakespeare Central
2. Teacher Resources
3. Shakespeare Manga
4. Test Prep Center
5. Online Quizzes by Subject
6. Mobile Apps
Top 10 LitNotes
1. To Kill a Mockingbird
2. A Tale of Two Cities
3. Animal Farm
4. Catching Fire
5. Of Mice and Men
6. The Catcher in the Rye
7. The Great Gatsby
8. The Outsiders
9. Romeo and Juliet
10. Lord of the Flies
TOP 5 LITNOTES
1. Golding's Lord of the Flies
2. Bradbury's Fahrenheit 451
3. Lee's To Kill a Mockingbird
4. Steinbeck's Of Mice and Men
5. Fitzgerald's The Great Gatsby
TOP 5 SHAKESPEARE
1. Shakespeare's Macbeth
2. Shakespeare's Romeo and Juliet
3. Shakespeare's Hamlet
4. Shakespeare's Henry V
5. Shakespeare's Julius Caesar
TOP 5 TEST PREP
1. AP Biology, Fourth Edition
2. ACT Cram Plan, 2nd Edition
3. Math Review for Standardized Tests, 2nd Edition
4. Praxis II: Principles of Learning andTeaching, Second Edition
5. Praxis II Elementary Education (0011/5011, 0012, 0014/5014) with CD-ROM, Second Edition
Professional Learning / Education Conferences
School Grants & Funding
Professional Development For Educators
eLearning Professional Development
Desk and Exam Copy Requests
Backlist Order Forms
Common Core State Standards
Technology for the Classroom
Cliff has answered many Science questions from other students who need a little help on their homework and tests. Browse this list of questions to find out if Cliff has an answer for you.
Why is the sky blue?
Do you really shrink at the end of the day and then grow in the morning?
What is the difference between matter" and "mass"?"
In what countries does Toyota produce and market cars?
What does "nature versus nurture" mean?
What are closed contour lines?
What does the periodic table look like?
Do you know anything about the law of conservation of energy? Is it really a law?
I thought I knew what
means, but my physics teacher defines it differently. What's up with that?
How do plants know when to drop their leaves?
What's the surface of the moon like?
How does the number of neutrons in the nucleus of an atom differentiate it from another atom?
How do big rocks wear down over time?
What does genetic recombination mean?
How has DNA matching really made big difference in finding out who committed a crime?
Do you have any tips for doing well on the AP Chemistry test?
What's the difference between the sympathetic and parasympathetic nervous systems?
What is incomplete dominance?
Can hydrocarbons be considered compounds?
Can you explain what molar mass is?
Aren't fungi really plants?
What information is contained in a chemical equation?
What are the endocrine and exocrine systems?
How do electrical charges interact?
Corporate Social Responsibility
Board of Directors
Partnering with HMH
Advertise with Us
CliffsNotes on Facebook
CliffsNotes on Twitter
CliffsNotes on YouTube
Download Cliffsnotes Apps
Vocabulary Help: The Defining Twilight Series
Sample Education Programs
Buy CliffsNotes Books and E books
General Interest Bestsellers
Books For Kids and Teens
BookRags Media Network
©2013 Houghton Mifflin Harcourt. All rights reserved.
Terms & Conditions of Use