_______ consists of precipitation, clouds, winds, and temperature changes at a place and time.

• Climate

• Atmosphere

• Weather

• Weather

• Atmosphere

• Environment

• Environment

• Climate

_______ a change in the appearance or state (solid, liquid, gas) of a substance, like its shape, size, or texture, without altering its chemical composition.

• Phase change

• State change

• State change

• Phase change

• Physical change

• Chemical change

• Chemical change

• Physical change

_______ is the boundary between two air masses that differ in temperature, humidity, density, or wind. They can cause changes in temperature, precipitation, and wind.

• Front

• Front

• Boundary

• Zone

• Zone

• Boundary

• Line

• Line

Two variables are directly _______ when you can multiply the value of one by a constant to obtain the value of the other.

• proportional

• dependent

• correlated

• correlated

• independent

• proportional

• dependent

• independent

_______ a fixed value that represents the ratio between two directly proportional quantities. Essentially, it's the number you multiply one variable by to get the other in a direct proportion relationship, often represented by the letter 'k'.

• Constant

• Ratio

• Ratio

• Proportion

• Coefficient

• Constant

• Proportion

• Coefficient

_______ the mass of a substance divided by its volume, essentially measuring how much mass is packed into a given space.

• Mass

• Density

• Density

• Mass

• Weight

• Weight

• Volume

• Volume

_______ a measure of the amount of matter in an object. It is usually measured in grams (g) or kilograms (kg).

• Density

• Density

• Weight

• Volume

• Mass

• Weight

• Volume

• Mass

_______ the amount of three-dimensional space occupied by a substance or object, essentially measuring how much space it takes up; it can be measured in cubic centimeters (cm³) or milliliters (mL).

• Mass

• Weight

• Density

• Mass

• Weight

• Volume

• Volume

• Density

_______ the temperature at which the solid phase changes to the liquid phases.

• Freezing Point

• Freezing Point

• Sublimation Point

• Sublimation Point

• Boiling Point

• Boiling Point

• Melting Point

• Melting Point

_______ the temperature at which a liquid boils and turns to vapor.

• Describe

• Describe

• Explain

• Explain

• Define

• Identify

• Identify

• Define