Define microorganism
a microscopic organism, meaning it's too small to be seen with the naked eye
Define energy
the ability to make things move or change
Define kinetic energy
the energy that an object has because it is moving
Define atoms
the tiny pieces that all matter—all the stuff in the world—is made of
convergent, divergent, and transform boundaries
No, there are good bacteria that helps our body function and bad bacteria that harms our body, too.
What three molecules are needed for biotic matter to survive?
glucose, oxygen, and starch
Define freedom of movement
the way molecules in a substance move around relative to each other
What is difference between products and reactants?
Products are the end results
Reactants are the different substances before a chemical reaction
The idea that the continents were one all connected and who created this idea
Pangaea by Alfred Wegener
Define cells
the tiny structures that make up all living things and are the smallest units able to perform life functions
Explain a pancreas injury
any damage to the pancreas caused by external force that disrupts the body's ability to digest food, regulate blood sugar, and produce hormones
How does molecular attraction play a role in phase changes?
stronger intermolecular forces require more energy to overcome, resulting in higher melting and boiling points
If the atoms are rearranged
T/F: Igneous rocks can become sedimentary rocks.
True
How are antibiotics helpful and harmful?
Antibiotics kills all bacteria - including "good" bacteria. This exposes the body to potentially more harmful bacteria.
Explain asthma
respiratory condition that causes inflamed and narrowed airways, leading to breathing difficulties, coughing, wheezing, and chest tightness
Describe the process from solid, liquid, and gas
solid to liquid: melting
liquid to gas: evaporation
T/F. Burning is a chemical reaction.
True.
What determines the age of a rock sample?
The layer is was found and decaying properties
How are cells, tissues, organs, and systems related?
Cells are the basic units of life, and similar cells working together form tissues. Tissues combine to create organs and perform specific functions. Organs work together within organ systems to carry out complex life processes.
Explain diabetes
high blood sugar levels, resulting from either the body not producing enough insulin or cells not responding properly to insulin
Is liquid oxygen possible? Why or why not?
It is possible. Liquid oxygen is much harder to find than liquid water because oxygen molecules
aren’t strongly attracted to other oxygen molecules. (weaker molecular attraction)
What does fertilizer consist of?
sodium, nitrogen, and oxygen
NaNO3
How are plate motions and rock formations related?
New rock layers form through the process of divergent plate boundaries forming new rock/land. This includes magma from the mantle that eventually cools down forming igneous rocks. The lower the rock sample, the older it is.