In which state of matter are particles packed tightly together in fixed positions?
Solid
Elements are made of particles called
Atoms
What is the smallest unit needed for life?
cell
The symbol for Lithium is ___?
Li
Anything that causes a reaction or change in an organism.
stimulus
In which state of matter do the particles spread apart and fill all the space available to them?
gas
Atoms can be broken into smaller pieces. True or False
False
It is made up of one or more cells.
organism
The symbol for Iron is ___?
Fe
Who is the father of Biology?
Aristotle
The change from liquid to solid, or the reverse of melting, is called
Freezing
Just like elements, two or more atoms can combine together to form___
molecules
It stores the DNA of the organelle.
nucleus
The symbol for Copper is ___?
Cu
What is the ability of living organisms to maintain a stable internal environment/body temperature despite changes in the external environment?
homeostasis
Which state of matter has a definite volume but no definite shape?
Liquid
The periodic table also has special names for its columns. The columns are called
Groups
What is the group of tissues called?
organ
All of the rows going left to right are called
K
What type of reproduction involves two parents mating to produce offspring that share characteristics of both parents.
sexual reproduction
In which state of matter do particles move the slowest?
Solid
The periodic table also has special names for its rows.
All of the rows going left to right are called
Periods
Who discovered the cell?
Robert Hooke
What is the Symbol for the Element Chlorine?
Cl
What is the stimulus in the following situation? All the students begin to pack up after the lunch bell rings?
the lunch bell rings