Atoms
These subatomic particles have no electrical charge and may not always be the same in number as the protons?
What are neutrons?
In a chemical formula, this tells the number of molecules participating in the reaction.
What is the coefficient?
The three parts of the cell theory?
What are all living beings are made up of cells, Cells are the basic unit of life, All cells come from preexisting cells.
Powerhouse of the cell.
What is the mitochondria?
The variance in a gene, which occurs on a fixed spot on a chromosome is called this.
What are alleles?
Water released from clouds as ice, snow, or rain
What is precipitation?
This gas is released into the atmosphere by plants as they photosynthesize
What is oxygen?
This measure temperature.
What is a thermometer?
In a neutral atom these two atoms are equal.
What are protons and electrons?
The number of nitrogen molecules present.
3N2 + O2 -------> 3N2O
What is three?
Obtaining food to provide energy for growth.
What is nutrition?
This part of the cell contains all the gentic information for the cell.
What is the nucleus?
On a Punnett square two capital letters indicate a gene which is this.
What is homozygous dominant?
Water vapor changes to liquid water
What is condensation?
All weather is contained in this sphere.
What is the troposphere?
Helps determine wind direction when reading maps
What is a compass rose?
This is approximately equivalent to the number of protons and neutrons in the atom.
What is the atomic mass?
A the material formed by chemically bonding two or more chemical elements
What is a compound?
Keeping conditions inside the organism balanced
What is homeostatis?
This organelle controls the movement of materials in and out of the cell and maintains homeostasis.
What is the cell membrane?
Genetics is the study of this.
What is heredity?
Process where water changes from a liquid to a gas
What is evaporation?
The ozone layer is found in this atmosphere layer.
What is the stratosphere?
This pressure is associated with a warm front.
What is low pressure?
The basic unit of a chemical element
What is an atom?
A simple substance that cannot be broken down into smaller parts or changed into another substance
What is an element?
This is a fluid-filled sac that stores food.
What is a vacuole?
The genetic makeup of an organism
What is a genotype?
Ice or snow turns directly to a gas.
What is sublimation?
The atmosphere is composed mainly of this gas.
What is nitrogen?
Measures wind speed.
What is an anemometer?
14. The jelly-like material that protects cell organelles is called this.
What is cytoplasma?
Having two identical alleles of the same gene
What is homozygous?
Precipitation that did not evaporate or get absorbed into the soil
What is runoff?
This gas is removed from the atmosphere by green plants
What is carbon dioxide?
Measures atmospheric pressure.
What is a barometer?
The appearance of an organism
What is the phenotype?
Water moving from plants or ground surface to the atmosphere.
What is evapotranspiration?
The space shuttle orbits in this layer.
What is the thermosphere?
Carries instruments into the atmosphere.
What is a weather balloon?