What do we call energy transferred from a warmer object to a cooler object?

Which description tells what temperature measures?

What term names the tiny pieces that make up all substances?

Read the thermometer. What temperature does it show?

In which direction does energy flow as hot cocoa cools in cooler air?

A substance becomes warmer without changing state. What happens to its particles on average?

The same substance changes from box A to box B. What energy transfer does the change in vibration indicate?

Carlo's ice cream changes from solid to liquid while he walks home on a warm afternoon. Which process occurs?

Use the flowchart. Which process and energy transfer match the arrow from liquid to solid?

Water in Laguna de Bay enters the air as vapor. What energy transfer supports this change?

Water vapor above a lake loses energy and forms tiny cloud droplets. Which process occurs?

Which description of particle motion fits the substance in the final box?

Pure water is continuously heated at sea-level pressure. Why does the graph stay horizontal from 4 to 6 minutes?

After the last bit of pure ice becomes water, energy continues entering the sample. What happens before the water begins to boil?

As water in a pot becomes vapor, how does the spacing between its particles change?

Liza wants the crushed ice in her halo-halo to turn into water sooner. Which action should she take?

Which pair of processes takes energy from the surroundings?

How should learners act when modeling the particles in a block of ice?

As glaciers on land shrink during long-term warming, what change is expected along coasts?

Which observation involves a change of state?