Which of the following changes in temperature is equivalent to a 10° C increase?

Which of the following statements is true of elements in the same row of the periodic table?

In which of the following situations does a 2kg ball have the greatest potential energy?

Which of the following processes is an example of condensation?

Which of the following statements is true of liquids?

Which of the following occurs when water is heated?

Scientific inquiry usually begins with

Scientists state clearly what they plan to test during their experiment. This statement is

Pieces of information collected before, during, and after an experiment

A statement that tells you whether or not the hypothesis was correct

The variable that is changed during an experiment

This helps you understand what happens when you don't make any changes during an experiment

An explanation of an event or phenomenon that is well supported by data and explain why

A quantitative observation for this photo is

The measure of the quantity of material in a substance

Mass is usually measured with a

A standard unit for measuring length

When temperature decreases, substances becomes more dense. What is an exception to this rule?

The amount of force exerted per unit area

The amount of push or pull on an object

Which of the following are NOT commonly used to measure pressure

What describes the inability for these liquids to mix?

What do scientists measure with this instrument?

What is a measure of the size of a surface?

Air pressure on earth _______ the higher you travel in the mountains.

Which represents a Giga?

Micro is represented by

The derived unit for power is

The derived unit for force is

F=ma can be used to calculate

What does temperature measure?

Where and when was the metric system developed?

How is a mile written in scientific notation?

500,000,000 m/s written in scientific notation

What is a uniform substance made up of one type of particle? It can be either an element or a compound.

What are examples of pure substances?

What is a pure substance that cannot be broken down by normal chemical or physical means?

Term for an atom that arranges itself in different ways to form different properties

Which is an allotrope of carbon?

What is the most common element in Earth's crust?

Which element has 10 stable isotopes - the largest number of stable isotopes of any element?

What charge is an electron?

A pure substance made up of two or more elements joined in a defined ratio

Which is NOT a compound?

A compound made of two different elements is called a

Who developed the atomic theory of matter?

Scientists measure mass in

A measure of the pull of gravity between an object and the Earth (or the planets, sun, etc.)

The strength of gravity's pull on an object depends on distance and

Description of a natural event or phenomenon shown to occur repeatedly under the same conditions

One centimeter equals

Which is NOT a homogeneous mixture?

When salt is dissolved in water, salt is the

Which item is insoluble in water?

A mixture in which minute particles are spread evenly throughout another substance

Colloid that consists of liquids spread throughout a solid (jelly, butter, cheese)

Colloids made of fine solid particles in a liquid or another solid (pearls, paint, mud)

Colloid of a liquid spread throughout another liquid. Often have a cloudy appearance. (ice cream, hand cream, mayonnaise)

Colloid that consists of gases finely spread throughout solids or liquids (marshmallows, whipped cream)

Suspension of liquid particles or fine solid particles in a gas (fog, clouds, smoke, sprays)

Water has a very high surface tension because of strong

The movement of gas particles through a small hole from an area of high pressure to an area of low pressure

Which substance is most viscous?

The diffusion of water across a semi-permeable membrane is

A tied balloon filled with helium gas will deflate over time as a result of

A change of state from a gas to a liquid

Light is an example of

Straining pasta in a colander is an example of

If atoms do not have the same number of protons and electrons, they are called

When two or more atoms interact with one another, they may form a larger unit called a(n)

Anions are

Positively charged ions are called

The lightest and most abundant element in the universe is

An atom with 8 valence electrons is

The scientist who showed that burning hydrogen produced water

Pure water has a pH of 7.0 making it

In the International System of Units (SI system) what is the base unit for temperature?

The vertical columns on the periodic table are called

An isotope is formed when the number of ______ in an atom has changed.

In a solution, what does the dissolving

Gases are considered fluids.

Sublimation is a phase change in which

When a chemical reaction gives off heat, it is said to be

What is the boiling point of water?

The temperature it takes for a substance to change from a solid to a liquid is called the

All living organisms are made up of compounds containing which element?

Deposition is a phase change that involves

The movement of particles from an area of high concentration to an area of low concentration

The most abundant phase of matter in the universe

A solution that is water loving is referred to as being

In regards to the pH scale, solutions with a pH between 0 - 6 are considered to be

In regards to the pH scale, solutions with a pH of 8-14 are considered to be