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Solve for x: 3x + 5 = 14

x = 3

Solve for y: 2y - 7 = 3

y = 5

What is the formula for density

Density = \frac{Mass}{Volume}

Solve for x: 3x + 5 = 14

x = 3

Solve for y: 2y - 7 = 3

y = 5

What is the formula for density

Density = \frac{Mass}{Volume}

If a block has a mass of 100g and a volume of 50cm^3, what is its density?

2 g/cm^3

Solve for x: 2x + 4 = 18

x = 7

Solve for y: 5y - 3 = 7

y = 2

What is the formula for the area of a rectangle?

Area = length \times width

If a rectangle has a length of 8 cm and a width of 3 cm, what is its area?

24 cm^2

What is the formula for the volume of a rectangular prism?

Volume = length \times width \times height

What is the volume of a rectangular prism with length 5 cm, width 3 cm, and height 4 cm?

60 cm^3

What is the formula for the circumference of a circle?

Circumference = 2 \pi r

What is the circumference of a circle with a radius of 5 cm? (Use \pi = 3.14)

Approximately 31.4 cm

What is the formula for the area of a circle?

Area = \pi r^2

What is the area of a circle with a radius of 5 cm? (Use \pi = 3.14)

Approximately 78.5 cm^2

Solve for x: 4x - 6 = 10

x = 4

Solve for y: 3y + 8 = 2

y = -2

What is the difference between kinetic and potential energy?

Kinetic energy is the energy of motion. Potential energy is stored energy.

What is force?

A push or pull that can cause an object to accelerate.

What is Newton's second law of motion (formula)?

Force = Mass \times Acceleration

What is Mass

The amount of matter in an object.

What is the formula for speed?

Speed = \frac{Distance}{Time}

60 miles per hour

If a car travels 120 miles in 2 hours, what is its average speed?

The rate at which velocity changes over time.

What is acceleration?

What is the formula for acceleration?

Acceleration = \frac{Final Velocity - Initial Velocity}{Time}

4 m/s^2

If a car accelerates from 0 m/s to 20 m/s in 5 seconds, what is its acceleration?

Energy cannot be created or destroyed, but it can be transferred or converted from one form to another.

What is the law of conservation of energy?

Heat is the total energy of molecular motion in a substance, while temperature is a measure of the average energy of molecular motion.

What is the difference between heat and temperature?

The transfer of heat through a material by direct contact.

What is conduction?

The transfer of heat by the movement of fluids (liquids or gases).

What is convection?

The transfer of heat through electromagnetic waves.

What is radiation?

H2O

What is the chemical formula for water?

What are the three states of matter?

Solid, liquid, and gas.

Evaporation

What is the process of a liquid changing to a gas?

Condensation

What is the process of a gas changing to a liquid?

Sublimation

What is the process of a solid changing directly to a gas?

Deposition

What is the process of a gas changing directly to a solid?

Cells

What are the basic units of life?

The process by which plants convert light energy into chemical energy.

What is photosynthesis?

The process by which organisms convert food into energy.

What is respiration?

To transport oxygen, nutrients, and waste throughout the body.

What is the function of the circulatory system?

To take in oxygen and release carbon dioxide.

What is the function of the respiratory system?

To break down food and absorb nutrients.

What is the function of the digestive system?

To transmit signals between the brain and the body.

What is the function of the nervous system?

Simple Interest = Principal \times Rate \times Time

What is the formula for simple interest?

$150

If you deposit $1000 in a bank account with a simple interest rate of 5% per year, how much interest will you earn in 3 years?

A = P(1 + \frac{r}{n})^{nt}

What is the formula for compound interest?

Explain the terms in the compound interest formula?

A = final amount, P = principal, r = interest rate, n = number of times interest is compounded per year, t = number of years

A symbol (usually a letter) that represents a number.

What is a variable?

A number multiplied by a variable in an algebraic expression.

What is a coefficient?

A number that does not change its value in an algebraic expression.

What is a constant?

Terms that have the same variable raised to the same power.

What are like terms?

a(b + c) = ab + ac

What is the distributive property?

2x + 6

Simplify: 2(x + 3)

PEMDAS (Parentheses, Exponents, Multiplication and Division, Addition and Subtraction)

What is the order of operations?

11

Evaluate: 3 + 2 × 4

A comparison of two quantities by division.

What is a ratio?

3:4

Express the ratio of 6 to 8 in simplest form.

An equation stating that two ratios are equal.

What is a proportion?

x = 6

Solve for x: 2/3 = x/9

A ratio expressed as a fraction of 100.

What is a percentage?

25%

Convert 0.25 to a percentage.

30

What is 15% of 200?

A sequence in which each term is multiplied by a constant to obtain the next term.

What is a geometric sequence?

A sequence in which each term is obtained by adding a constant to the previous term.

What is an arithmetic sequence?

10

What is the next number in the sequence: 2, 4, 6, 8, …

48

What is the next number in the geometric sequence 3, 6, 12, 24, …?

A testable statement or prediction.

What is a hypothesis?

The variable that is changed or manipulated in an experiment.

What is an independent variable?

The variable that is measured or observed in an experiment.

What is a dependent variable?

A group in an experiment that does not receive the treatment.

What is a control group?

A group in an experiment that receives the treatment.

What is an experimental group?

An observation that describes qualities or characteristics.

What is a qualitative observation?

An observation that involves numbers or measurements.

What is a quantitative observation?

New Moon, Crescent, First Quarter, Gibbous, Full Moon, Gibbous, Third Quarter, Crescent

What are the phases of the Moon?

The tilt of the Earth's axis.

What causes the seasons?

A group of stars that forms a pattern in the sky.

What is a constellation?

A large collection of stars, gas, and dust held together by gravity.

What is a galaxy?

The Milky Way

What is the name of our galaxy?

A celestial body that orbits a star, is round or nearly round, and has cleared the neighborhood around its orbit.

What is a planet?

Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune

Name the planets in our solar system in order from the Sun.

The basic unit of matter.

What is an atom?

Protons, neutrons, and electrons

What are the three subatomic particles?

A substance that cannot be broken down into simpler substances by chemical means.

What is an element?

A substance composed of two or more elements chemically combined.

What is a compound?

A group of atoms bonded together.

What is a molecule?

A chart that organizes elements by their atomic number and chemical properties.

What is the periodic table?

A change that affects the appearance of a substance but not its chemical composition.

What is a physical change?

A change that results in the formation of a new substance.

What is a chemical change?

What is the law of conservation of