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Ninth Grade Science Test
This survey has been done before. So it`s not an entirely new concept. But it is a fun little way to see how much you (and your friends) remember from high school freshman science class. I did not reuse any of the questions I`d seen before. I started from scratch. All these questions were developed with the help of my son, who appropriately, is in the 9th grade. And he`s actually quite good with all things science. So don`t be surprised if some of these are rather difficult.


1: Which is the largest?

2: What is the most abundant element in our atmosphere?

3: A substance that can't be broken down into simpler substances using any chemical means is:

4: The asteroid belt in this solar system lies between the orbits of which planets?

5: How many chromosomes are in a human cell?

6: Which is an example of a malleable element?

7: What kind of bonds hold together the nitrogenous bases in DNA?

8: What was the name of the ship on which Darwin sailed in 1831?

9: A well-substantiated explanation of an aspect of the natural world is:

10: Which is a measure of the force of gravity on an object?

11: Measurable or numerical information is:

12: The process of using "half-lives" to determine the age of an object is known as:

13: Which bird can fly backwards?

14: Approximately what percentage of the earth's water is fresh?

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