Science Library - free educational site

Science Library Quiz

The Carbon Culprit

Instructions: answer the questions, check them carefully, and when you are sure they are all right, press submit. The number of correct answers will be displayed.

Question 1: What is a name for the large molecule produced by photosynthesis?

Question 2: Why does a cellulose molecule have 12 hydrogen and 6 oxygen atoms?

Question 3: What is the largest carbon sink?

Question 4: Why do greenhouse gases cause global warming?

Question 5: How can cement be made carbon emission neutral?

Quizzes available from the Climate Change topic

Select a topic for more Environment quizzes:

Select a subject for more quizzes

Latest Item on Science Library

The most recent article is:


View this item in the topic:

Vectors and Trigonometry

and many more articles in the subject:

Subject of the Week


Information Technology, Computer Science, website design, database management, robotics, new technology, internet and much more. JavaScript, PHP, HTML, CSS, Python, ... Have fun while learning to make your own websites with

Computer Science

Test your knowledge!

Question: Convert 28 km to cm.

Go to the article about: Measurements

IT Forum by Sean Bone

Quote of the day...

Little Nick lifted his hat enough so he could tap his temple: 'As Descartes said, if yer wants to get to the sums, yer's got to cogito!'

ZumGuy Internet Promotions

IT information forum by Sean Bone