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66 Cards in this Set

  • Front
  • Back

Anything that occupies space and has mass

Matter

Substances that cannot be broken down by ordinary means

Elements

What can you think of your element as

Flavors of candy (atom)

SPONCH

Sulfur, phosphorous, oxygen, nitrogen, carbon, and hydrogen

What 4 elements makes 96% of your body?

Carbon, hydrogen, oxygen, and notrogen

What does the periodic table do for you?

Shows all of the elements and their properties (characteristics)

2 or more of these elements linked chemically

Compound

Sodium + chloride =

Sodium chloride (table salt)

2 or more atoms covalently bonded

Molecule

Very small units of matter

Atoms

All living and nonliving things are composed of

Atoms

Subatomic particles

Protons (+)


Neutrons (+-)


Electrons (-)

Atoms can join together through

Chemical bonding

Chemical reactions

Reactant+reactant=product

Two major types of bonding

Covalent bond and ionic bond

Strongest bond where atoms share electrons. Usually 2 elements that are closer together on the periodic table

Covalent bond

Oppositely charged atoms are attracted to one another (+&-). Usually a metal and nonmetal

Ionic bond

A scientific guess to explain an occurence

Hypothesis

Scientist use a set standard for conducting research

Scientific method

Step 1

Onservation, question, research

Step 2

Conduct a hypothesis (educated guess)

Step 3

Controlled experiment

Step 4

Collet data

Step 5

Analyze data

Step 6

Draw a conclusion by evaluating results

An excitement that contains only one experimental variable. The experimental or independent variable is the thing being tested

Controlled experiment

The thing being tested

Experimental or independent variable

All variables that are the same are called

Constants

The data that is observed and measured as a result of the independent variable

Dependent variable

An explanation of a natural phenomenon that is backed by scientific evidence

Theory

What is the elements carbs are made of?

Carbon, hydrogen, oxygen

What monomer is the building block of carbs?

Monosaccharides

What is the function of carbs?

Source of usable energy for the cell, major part of plant cell structure, used for immediate or quick energy

What are some examples of carbs

Glucose, sucrose, starch, cellulose

What elements make up lipids?

Carbon, hydrogen, oxygen

What monomer is the building block of lipids

Fatty acid

What is the function of lipids?

Source of usable energy for the cell, part of the cell structure, used as stored or long term energy

What are some examples of lipids?

Oils, fats

What elements make up proteins

Carbon, hydrogen, oxygen, nitrogen, and sometimes sulfur

What monomer is the building block of proteins

Amino acids

What is the function of proteins

Necessary for many functions such as eyesight, digestion, and movement, they speed up chemical reactions and protect the body from infection

What is an example of proteins

Enzymes

What elements make up nucleic acids

Carbon, hydrogen, oxygen, nitrogen, phosphate

What monomer is the building block of nucleic acids

Nucleotides

What is the function of nucleic acids

Carrie's the instruction for making proteins, genetic information

What is an example of nucleic acids

DNA, RNA

What makes up 65 to 95% if our bodies

Water

Water is the _______ which means that many things can easily dissolve in it

Universal solvent

Water is ____ (has slight charge)

Polar

What makes water an essential component of living things?

Cohesion and adhesion and surface tension

Sticks together very well

Cohesive

The cohesion allowsnit to form droplets making a kind of membrane

Surface tension

Water can "climb" inside a tube with a very small diameter

Capillary action

Contain carbon and hydrogen atoms

Organic compounds

Large

Macro

Contain 2 monosaccharides

Disaccharide

Commonly found in milk

Lactose

"Table sugar" transported in plants

Sucrose

Carbohydrates formed from many individual sugars into long chains

Polysaccharides

Lipids that contain phosphate (major components of cell membranes)

Phospholipids

Lipids with 4 linked rings of carbon

Steroid

Have only single bonds between carbs and max number of hydrogens (no no's)

Saturated fats

Have double bo ads between carbons making less room for hydrogen

Unsaturated fats

Proteins that help control chemical reactions by acting as a catalyst

Enzymes

Speed up reactions by lowering activation energy

Catalysts

What are the building blocks of macro molecules called?

Monomers