Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
30 Cards in this Set
- Front
- Back
|
Acceleration
|
Change in velocity over time; always produced by force; defined as force divided by mass.
|
|
|
Acid Rain
|
Rain that has dissolved chemicals containing nitrogen and sulfuric acid. Causes damage to ecosystems.
|
|
|
Activation Energy
|
Added energy that starts a chemical reaction.
|
|
|
Adaptation
|
Process of adjusting to a change in environments or to changing environmental conditions.
|
|
|
Algae
|
Plants made of single cells
|
|
|
Amplitude
|
Height of a wave; measure of the energy contained in a wave.
|
|
|
Anemometer
|
Tool used to measure wind speed.
|
|
|
Anion
|
Ion that has a negative charge.
|
|
|
Asexual reproduction
|
Type of reproduction that requires only one parent and does not mix genetic material.
|
|
|
Astronomical Unit (AU)
|
Average distance from the earth to the sun. 1.49 x 10^8 km
|
|
|
Atomic Mass
|
Sum of an atom's protons and neutrons.
|
|
|
Atomic Number
|
Number of protons in an atom's nucleus.
|
|
|
Atom
|
The smallest particle of an element/matter.
|
|
|
Balanced Chemical Equation
|
Chemical equation that has the same number of atoms of each element on both sides of the equation.
|
|
|
Barometer
|
Tool used to measure air pressure.
|
|
|
Biome
|
A habitat containing a given ecosystem.
|
|
|
Boiling Point
|
Temperature at which a material changes between liquid and gas states.
|
|
|
Carbon
|
An element contained in all living things.
|
|
|
Carbon cycle
|
Changes in the form of carbon as it goes from the rocks to the air to the water and back again.
|
|
|
Carbonate
|
Form of carbon that is made when carbon dioxide combines with water.
|
|
|
Catalyst
|
Material that increases the rate of a reaction by lowering the activation energy.
|
|
|
Cation
|
Ion that has a positive charge.
|
|
|
Cell
|
The most basic component of living systems.
|
|
|
Cell Membrane
|
Protective outer layer of the cell.
|
|
|
Cell Wall
|
Rigid structure that provides added protection and support for plant cells.
|
|
|
Cellular Respiration
|
Process by which cells use oxygen and glucose to produce energy, water, and carbon dioxide.
|
|
|
Chemical bond
|
Force that holds atoms together.
|
|
|
Chemical energy
|
Energy created by a chemical reactionor absorbed when a chemical compound is formed.
|
|
|
Chemical equation
|
Way to show a chemical reaction using chemical formulas.
|
|
|
Chemical formula
|
Group of chemical symbols that indicate what elements are in a compound and their ratio.
|
