end term science exam

A method of extracting salt from brines

A+B= AB

What are the three types/categories of musical instruments?

A ... solution exactly as much sugar dissolved in water as possible for that temp

In what medium/area do EM waves move the fastest, or with the greatest velocity

Hemoglobin, which is found in red blood cells and helps transport oxygen; type of bio compound

Type of reaction, combines hydrogen with oxygen, releases water, carbon dioxide, thermal energy

What substance loses electrons in a redox reaction

The name for a substance formed by only one kind of atom; it’s listed on the periodic table

This occurswhen a wave strikes an object or attempt to enter another medium and is bounced back

Generally, only polar substances are soluble in water because it is a polar covalent substance

Does the dissolving in a homogeneous mixture

This term relates to how humans PERCEIVE THE ENERGY carried or transferred by a sound wave

What does your middle ear do

Synthetic fibers made from an organic acid with 2 -COOH groups and an alcohol with 2 -OH groups

The buoyant force on an object in a fluid is = to the weight of the fluid the object displaces.

What is music

Groups are

Which of the following is not an element?

What are the 3 colors of light

Type of reaction that involves breaking down a starch into its component glucose molecules

2 drawbacks of nonpolar solvents

These subatomic particles are NOT made up of quarks; they can’t be broken into smaller pieces

Atom that has gained or lost an electron and gained an electrostatic charge

What are 4 physical properties you could use to describe a liquid?

The negatively charged area of an atom that surrounds the central part is called the...

2 atoms with the same # of protons but a different # of neutrons are called...

An acid that ionizes almost completely in solution is a

What type of bonding occurs between metal atoms and they share a “sea” or “cloud” of electrons?

The formula for a hydronium ion is

What is the SI unit of temperature required when doing calculations with gas laws?

What does your outer ear do

The reason a car’s dashboard might crack when exposed to high temperatures

A discrete bundle of EM wave energy (based on the frequency) that also acts like a particle

In a redox reaction the substance that gains electrons is

Whathappens to the freezing point of a homogeneous liquidmixture as more substance is dissolved

Substances that can conduct electricity under certain conditions

AB + CD= AD+ CB

How does the human “see” color in light waves?

Assumes matter is made of small particles in constant motion

Biological compounds such as fats and oils

What is the most reactive nonmetal on the periodic table

Equals F/A

This aspect of a wave relates to HOW MUCH energy is carried or transferred by the wave

What is the name for a crystalline substance to which some water has attached itself

The atomic number of an element tells you how many ........ they have

Whose experiments with HgO and conservation of mass gave him the name “the father of chemistry”

How does and incandescent light bulb change electrical energy into light?

Distance from compression to compression for a sound wave is called the

Why is water polar covalent

SI unit of pressure

What is the name for a solid product formed from a double displacement reaction

The name for light of only 1 frequency that travels with its crests and troughs aligned

Elements in group 2 are alkaline ..... metals

What color in the visible EM spectrum has the shortest wavelengths and the greatest energy?

What are the 3 possible interactions of light waves and matter. Ex: with a pair of sunglasses

This term describes sound waves having a frequency ABOVE 20,000 Hz (humans can’t hear them)

What waves move back and forth(compress/expand) in the same direction as the waves

The force which supports objects in fluids

The distance from crest to crest for an electromagnetic wave is the

Elements that give off particles and energy

The point at which a drop of base changes the color of an acid solution and the color persists

What type of bonding occurs between nonmetal atoms and valence electrons are shared

The volume of a gas increases with increasing temperature. (Pressure stays constant)

The force that holds a metal and a nonmetal atom together

Ionic bond naming uses prefixes. Ex: carbon DIoxide

This occurs when 2 or more waves overlap and they appear to join and create one larger wave

Chemical reaction between an acid and a base that takes place in a water solution

Light waves are caused by the vibration of an electric charge

The term for a material which permits no light to pass through it?

# of complete waves that pass a point in a given amount of time,waves per second

Which of the following is NOT a compound?

A hydroxide ion is

What is the SI unit of volume?

Biological monomers that connect via a peptide bond and form proteins such as enzymes

Different structural forms of the same element are called...

Who was the famous Russian chemist that created the very first organized periodic table?

The positively charged center area of an atom is called the ...

Electromagnetic waves are caused by the vibration of an electric charge

Which of the following is NOT part of an atom, the building blocks of matter?

color in the visible portion of the EM spectrum has the longest wavelength and least energy

Pressure applied to a fluid is transmitted unchanged throughout the fluid.

Elements in groups 3-12

Periods are

The force that holds atoms together in a molecule or a compound

Used widely in flavors and perfumes

What does your inner ear do

What waves oscillate up and down at right angles to the movement of the wave?

What is being modulated or changed in an AM radio wave?

What is the SI unit of matter?

A solution of known concentration used in the process of titration

What happens to the concentration as more substance is dissolved

Energy change in a material that doesn’t change the identity of it. Ex: change in shape

Term for a material that lets all light pass through it

What type energy is released when an incandescent light changes electrical energy to light?

Mixture in which there are large particles that hang in solution rather than settle. Ex: milk

Compound formed when the negative ions from an acid combine with positive ions from a base

The strength of a base is determined by

Electromagnetic waves can move through the vacuum of space without need for a medium(matter)

Dissolving and dissociating are exactly the same process of forming a solution

Substance that speeds up a chemical reaction

Which fluid principle best explains why objects float (or sink) in water?

Which of the following uses Bernoulli’s principle to work/operate?

Generally like dissolves like

What are the 3 most commonly used light bulbs?

What medium do EM waves move the fastest/with the greatest velocity in?

A substance that produces hydroxide ions in solution is a

What property of metal elements results from sharing a “sea” or “cloud” of electrons?

Random spreading of molecules

Sound waves can move through the vacuum of space without a medium

A substance that produces hydrogen ions in solution is

A fluid’s resistance to flow

If the energy released in a chemical reaction is primarily given off in the form of heat

The name for waves that require a medium to move through and transfer energy

What is being modulated or changed in an FM radio wave?

What happens to the boiling point as more substance is dissolved

The term that best describes light waves that only vibrate in one direction

The amount of matter in an object is its....

mixture where materials are not evenly distributed, materials can be distinguished easily

If the volume of a gas is decreased , the pressure on the gas will increase (temp is constant)

Biological monomers that link and form DNA; responsible for hereditary and cell reproduction

Form of matter found in lightning bolts, nuclear reactors, and stars

What color is produced when the 3 primary colors of LIGHT are combined in equal amounts

Law of conservation of mass means?

Made by reacting a long-chain fatty acid with sodium or potassium hydroxide

A chemical reaction that absorbs or requires energy (in any form)

What principle explains how pressing on the LITTLE brake pedal in your car can stop the BIG car

What is noise

Able to be hammered or rolled into sheets

A+BC= AC+ B

Temperature at which a solid becomes a liquid

What is the name for a molecule formed by exactly 2 nonmetal atoms of the same element?

Not naturally occurring

solution of known concentration is used to find the unknown concentration of another solution

These types of EM waves are often used for remote controls, such as with a TV

When a sound wave is bounced back and you hear a sound more than once

The frequency of an electromagnetic wave is measured in what units

What is the temperature at which all particle motion of matter stops?

Organic compound that changes color in an acid or base

Light waves can move through the vacuum of space without need for a medium

Why is ammonia considered a base

Compounds with the same molecular formulas but different structural forms

the elements located along the stair step line that have metal and nonmetal like properties

This term relates to how humans PERCEIVE a change in the FREQUENCY of a sound wave

Halogens form salt by .... bonding

What color of light is produced when the 3 primary colors of PIGMENT are combined

What do actually see in your eyes when noting the color of an object

What is the phase state with NO definite volume and NO definite shape?

Forms a salt when it gains an electron from a metal

As the velocity of a fluid increases, the pressure exerted by the fluid decreases.

term describes light waves that only vibrate in 1 direction (blocks light in other directions)

In an exothermic reaction, the energy needed to break reactant bonds is...the energy released

These types of electromagnetic waves (EM) are used for communication, such as walkie talkies

What type of bonding occurs between a metal and a nonmetal?

Defined as the point at which a liquid’s vapor pressure equals the atmospheric pressure

What is the difference between a compound and a homogeneous mixture

All substances are soluble in water

Term for how much a material slows down light waves traveling through it is the index of

The wavelength of an EM wave is measured in what units?

All matter is made of small particles that are in motion.

Energy released as a gas changes to a liquid

Name for a substance formed by 2 or more different kinds of atoms, combined in a fixed ratio

What is distillation?

What type of substance resists changes to the pH of a solution when acid (or base) is added?

Which of the following is an example of a chemical change?

When an acid is dissolved in water, H+ ions form

What is the process for producing a complete, 3-D image of an object with (laser) light

Element in group 1

How does RADAR work?

The name for a mixture that is the same/homogeneous throughout

All substances that are soluble in water have the exact same solubility

....Is how a light beam scatters as it passes through a colloid, it helps to identify a colloid

AB= A+B

What is being modulated, or changed, in an AM radio wave

Is being dissolved in a homogeneous mixture

Which group of elements on the periodic table are the least chemically reactive?

The intensity/loudness of sound waves is measured in what units

Element with more than 92 protons

Property of fluids which enables ships and balloons to float

Compound where a carbon-hydrogen has the hydrogen removed and replaced with a hydroxyl group

What are the 3 colors of pigment

Type of cells in the human eye that perceive/see three different types of color

What are the 3 categories for elements on the periodic table?

Why haven’t you thanked your friend Amelia for making this 200 question Quiz for you?!

Similar to soap; can be used in hard water

A .... solution has less sugar dissolved in water than is possible for that temp

What are 3 ways to increase the speed of dissolving one substance into another

type of EM waves that are the most energetic/highest frequency &potentially causes damage to us

The amount of time for half of a radioactive element to decay is called the...

The name for a compound with just hydrogen and carbon

Term for a hydrocarbon bonded by only single bonds

What type of wave is an EM wave and what is it made up of

According to Charles law, what happens to the volume of a gas when the temperature is decreased

What term describes what happens when water breaks apart an ionic compound

Biological compound with a 2:1 ratio of hydrogen to carbon, includes starches, gives energy

What variable can you increase to make gas more soluble in a liquid

What term describes a substance that can conduct electricity when in a homogeneous mixture

How does SONAR work?

Which of the following is an example of a physical change?

Which of the following is the phase state with definite volume but NO definite shape?