Surveys

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?

The Moon
The Earth
An elephant
Saturn
Pluto

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

Helium
Nitrogen
Oxygen
Carbon
Lithium

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

An elixer
A colloid
A compound
A mixture
An element

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

Mercury and Venus
Venus and Earth
Earth and Mars
Mars and Jupiter
Jupiter and Saturn

5: How many chromosomes are in a human cell?

42
23
46
22
36

6: Which is an example of a malleable element?

Helium
Gold
Sulfur
Bromine
Xenon

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

Hydrogen
Nuclear
Covalent
Ionic

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

RMS Lusitania
HMS Beagle
HMS Challenger
USS Enterprise
Queen Elizebeth

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

A hypothesis
A law
A theory
An educated guess
A thought

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

Centripetal force
Friction
Mass
Velocity

11: Measurable or numerical information is:

Qualitative data
Quantitative data
A type of variable
A hypothesis

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

Carboniferous dating
Radiometric dating
Geologic dating
Isometric dating

13: Which bird can fly backwards?

Flamingo
Hummingbird
Parrot
Eagle

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

25%
7.5%
15%
1%
2.5%