Physical Science-Atoms and Periodic Table
It is the smallest particle of an element
What is an atom?
Made up of a single cell.
What is unicellular?
The ability of the body to maintain a stable internal environment despite changes in external conditions.
What is homeostasis?
First type of cell on Earth with no nuclear bound membrane.
What is a prokaryotic cell?
Uses chemical symbols and numbers to represent a given substance.
What is chemical formula?
This type of particle is found in an atom and has no charge.
What is a neutron?
Two main types of cells.
What is prokaryotic and eukaryotic?
It is a living thing that can carry out life processes by itself.
What is an organism?
The control center of the cell
What is the nucleus?
Energy cannot be created or destroyed. It can change form.
It's the number of neutrons in Nitrogen 15 that has an atomic number of 7.
A protective layer that covers a cell’s surface and acts as a barrier between the inside of a cell and the cell’s environment.
What is a cell membrane?
The movement of particles across a cell membrane without the use of energy by the cell.
What is Passive Transport?
Breaks down food molecules; releases ATP.
What is the mitochondria?
The process in which atoms are rearranged to produce new substances.
What is Chemical Reaction?
The average mass of one atom of the element.
What is atomic mass?
All living things made of cells
Smallest living unit made of cells
From preexisting cells
What is the Cell Theory?
A group of organs that work together to perform body functions
What is an organ system?
Contains solid, foods, and waste.
What is a vacuole?
A chemical reaction that requires an input of energy.
What is Endothermic Reaction
The columns in the Periodic Table
What are groups?
It can survive in extreme and harsh environments, such as salt lakes hot springs, and thermal vents.
A structure that is made up of a collection of tissues that carries out of specialized functions.
What is an organ?
It contains unicellular organisms that have a cell wall, but no nucleus or organelles.
What is Eubacteria?
It is an expression that uses symbols to show the relationship between the starting substance and the substances that are produced by the chemical reaction.
What is a chemical equation?