Ana scratches two rock samples against each other. What property is she comparing?

What property describes whether a rock's surface feels smooth or rough?

Why would Paolo use a magnifying lens when describing a rock?

A rock sample resists breaking when force is applied. What property does this show?

Lava cools and becomes solid. What type of rock forms?

Loose particles become buried, pressed together, and cemented. What rock type can form?

An existing rock changes deep underground under heat and pressure without melting. What rock type results?

A rock contains the preserved imprint of a shell. What type is it most likely to be?

What rock is commonly used to make polished kitchen countertops?

What process breaks down rock at Earth's surface without carrying the pieces to a new location?

Vinegar reacts with chalk and changes its minerals. What type of rock breakdown does this model?

A hammer breaks a rock into pieces, but its minerals stay the same. What type of rock breakdown has happened?

After heavy rain, muddy runoff carries soil down a hillside. What process is occurring?

Which action best reduces wind erosion on bare farmland?

Where do the mineral particles in soil mainly come from?

Fallen leaves slowly decay on the ground. What soil component do they add?

Equal-sized jars are filled with dry soil, one loosely packed and one tightly packed. Which contains more air between the particles?

Which change in fallen leaves is mainly caused by soil decomposers?

What letter marks the A horizon in this soil profile?

In a typical soil profile, what horizon accumulates clay and minerals washed down from above?

What letter marks the R horizon in this soil profile?

As wet clothes dry, which process transfers their water into the air?

Droplets appear outside a cold glass. What process changes nearby water vapor into these droplets?

The diagram shows water particles before and after a change. What state does the water have afterward?

What water-cycle stage happens when rain falls from clouds to the ground?

After rainfall, water gathers in a lake. What stage of the water cycle is this?

What provides most of the energy that changes water at Earth's surface into its gaseous form?

What are clouds mainly made of?

What state of water makes up hailstones?

Liza puts identical water-cycle bags in sunlight and shade. What should she keep the same to compare sunlight's effect fairly?

A student climbs from the coast to a high mountain. What usually happens to atmospheric pressure as the student climbs?

Between nearby places at the same height, in what direction do pressure differences push air?

Two nearby places develop a larger difference in air pressure. What usually happens to the wind between them?

When air warms and can expand, how does it usually move compared with cooler nearby air?

What ocean surface condition supplies the heat and moisture needed for tropical cyclone formation?

What regional name is used for a mature, powerful tropical cyclone near the Philippines?

During a storm, a roof is torn off and trees are uprooted. What directly causes this damage?

What bacterial disease is especially linked to floodwater contaminated with infected rats' urine?

After days of heavy rain, soil and rocks slide down a steep hillside. What hazard is this?

During a cyclone, seawater rises above its usual level and floods a coastal barangay. What hazard is this?