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Science Test 4
Substances that release Hydrogen in water
Properties of _____: Taste sour, Dissolve Metals, and Conduct electricity
Taste Sour, Dissolve Metals, and Conduct Electricity
3 Properties of Acids
NEVER _____ CHEMICALS
Do acids react with all metals?
Acids react with certain metals and produce ________ ___.
When acids react with metals and disappear, and produce hydrogen gas, the metals appear to _________.
We use _____ for Food, Vitamins, Digestion, Batteries, and Fertilizer
Compounds that release hydroxide ions
Properties of _____: Taste Bitter, Are Slippery, and Conduct Electricity
Examples of a ______ taste: Chocolates, Figs, Potatoes
Taste Bitter, Are Slippery, and Conduct Electricity
3 Properties of Bases
We use this to identify an acid or base
Compound that changes color for acids and bases
Scientists most often use this indicator
Acid strength is determined by the amount of ________ ____ that break apart in water
Base strength is determined by the amount of _________ ____ that break off in water
Acids and Bases are opposite each other on the __ _____.
pH of hydrochloric acid
pH of cola
pH of detergent
pH of oven cleaner
pH measures how many ________ ____ are in a solution
0 to 14
The pH scale ranges in value from _ to __.
Low pH indicates that the concentration of hydronium ions is ____.
High pH indicates that the concentration of hydronium ions is ___.
Another word for a pH indicator
Acidic or Basic
Litmus strips indicate whether something is ______ or _____.
When you mix an acid and a base, a ______________ reaction occurs.
When you mix an acid and a base, they ______ each other out.
Salt and Water
A Neutralization reaction forms ____ and _____.
Salts are _____ compounds
Salts form the _____ of a base and the ________ of an acid
This is mostly made up of Water, Carbohydrates, Protein, and Fats
Food isn't _______ in your body, until they are broken down
Foods must be ______ ____ into simpler substances that are useable for materials and energy
Type of digestion: The process through which your food is physical broken down into smaller, more manageable pieces. The result is a physical change.
Type of digestion: The molecules in food are chemically broken down into new forms that are useable for energy and for the maintenance/growth of muscle, bones, skin, and organs
Chemical Digestion is made possible with the help of _______, catalysts in the body that help speed up the "Reactions of Life"
The process of digestion works its way through several ________ in your body.
In this phase of digestion, saliva helps to mix and mash the food
In this phase of digestion, the chemical digestion of proteins begins
Breaks down proteins into amino acids
In this phase of digestion, enzymes complete the work of chemical digestion
Occurs when stomach acids backup into the esophagus causing painful discomfort in the chest
Help with heartburn: They neurtalize the acids that have left the stomach, and lower excessively high acid levels that result from certain foods
Smoother, Cools Down, and No Friction
After rubbing 2 pieces of paper together, when you put lead on the paper, what are 3 new properties?
These make Carbon Elements useful
Because Carbon atoms have 4 valence electrons, these form 4 ________ bonds.
The high number of _______ _____, and the fact that Carbon can bond with both itself and other atoms, makes it possible for Carbon to form a variety of molecular structures
Carbon's molecular structures are the _________ for molecules
The Carbon molecular structures have different __________ depending on their shapes and attractions
Straight Chains, Chains with Branches, and Rings
The 3 molecular structures of Carbon
Diamond, Graphite, and Fullerene
3 Common Examples of Carbon in its pure form
Hardest mineral, formed deep within the earth
Pressure and Temperature
Diamonds need extremely high ________ and ___________ to form
Shiny and Hard
Once formed, Diamonds are _____ and very ____
How many Degrees Celsius is a Diamond's melting point?
These work extremely well in industrial cutting tools
Solid made up of carbon layers or sheets
Most common example of Graphite
Graphite is very ________, and consequently, is an excellent industrial lubricant
Form of Carbon engineered by chemists at Rice Univsity
Year Fullerene was made
College Fullerene was made at
Model of Fullerene
This is used as medicine
Over __% of all known compounds have carbon in them
Common Carbon Compound: This is a gas
Common Carbon Compound: This is a liquid
Wax and Cotton
Common Carbon Compounds: These are solids
Since there are so many carbon compounds, we gave them their own name: _______ _________
Means "Of Living Things"
Low Melting and Boiling Points
Many Organic Compounds have similar properties like ___ _______ and _______ ______
Elements that only contain Carbon and Hydrogen
The carbon chains in ____________ can be straight, branched, or ring shaped
All Hydrocarbons are _________.
Hydrocarbons are excellent _____.
Carbon and Hydrogen
What makes Hydrocarbons distinct is the number of ______ and ________ atoms in their structures.
Propane, Ethane, and Methane
3 Common examples of Hydrocarbons
Some hydrocarbons develop slight differences because of differences in their _________ _________.
New Hydrocarbons that have the same molecular formula, but different structural formulas
Hydrocarbons with only single bonds
Common example of a saturated hydrocarbon
Hydrocarbons with double or triple bonds
Common example of an unsaturated hydrocarbon
Hydrocarbons with at least one replaced hydrogen
Halogen containing compounds, alcohols, and organic acids
3 Common examples of substituted hydrocarbons
Common example of a Halogen Containing Compound
Common example of an Alcohol
Common example of an Organic Acid
Compound that results when you combine an organic acid and an alcohol
Esters are used in ________
Original Material for Football Helmets
Original Material for Water Bottles
Original Material for Tennis Rackets
Original Material for Tents
Each molecule in a Polymer
Polymers can be made up of monomers in a _________ _______
When multiple compounds are combined they often ________ the uses of a single compound
Silk, Cotton, and Wool
3 Naturally occurring examples of polymers
Polyester and Nylon
2 Synthetic examples of polymers
Most common example of polymers
Polymer that forms when sugar molecules are formed into longer strands
Polymers made by animals
The ________ in our bodies are polymers