An object that makes a job easier by changing the direction or amount of force applied
What is a simple machine?
100
Genetic information is contained in this part of the cell
What is the nucleus or DNA?
200
Its a warm, wet air mass
What is maritime tropical?
200
All matter is made of these
What are particles or atoms?
200
The place where water is stored underground
What is an aquifer or a well?
200
When graphing speed, a straight line with the same slope represents this type of motion.
What is constant?
200
The percentage of brown eyed children in the following cross:
B= dominant brown eyes
b= recessive blue eyes
BB X bb
What is 100%?
300
First carries its temperature and humidity with it
What happens when an air mass movest?
300
The state of matter with the slowest particles
What is a solid?
300
The property of soil that determines how fast it drains
What is particle size?
300
A handicap ramp is an example of this type of simple machine.
What is a ramp?
300
An organism who contains two different alleles for a trait is known as a hybrid or heterozygous.
An organism with two of the same alleles is known as purebred or
What is homozygous?
400
It becomes warmer and drier.
What happens when a maritime polar air mass moves south over land ?
400
Some metals rust. The process of rusting is what type of property?
What is chemical?
400
Water that can be contaminated through farm fields or roadways.
What is run-off?
400
The formula for speed.
What is distance divided by time?
400
The number of chromosomes a human being has
What is 46 or 23 pairs?
500
Temperature and humidity
What are the two characteristics of an air mass?
500
The formula for density
What is mass divided by volume?
500
The process plants use to release water into the air
What is transpiration?
500
This type of simple machine can be a first, second, or third class
What is a lever?
500
The name of the box used to determine the results of a genetic cross