In the Investigate, you observed what happened to two pats of butter when the handle of a metal knife was placed in hot water. What conclusion can you draw about how the heat moved through the knife?

How much energy is generated from freezing 2.5 g water?

Which is one way that a short-term environmental change will most likely affect organisms within an ecosystem? O It will lead to larger populations. O It will lead to speciation. O It will lead to adaptation. O It will lead to forced migration.

What is the density of copper?

If a certain compound has a formula XCl₃ what is the valency of X?

Explain how water might have two different densities

Why does a ball rolling along a level sidewalk slow down and then stop

Common properties of sodium, calcium, iron, and gold

The closeness of a measurement to its actual value is a measure of its A. usefulness. B. reproducibility. C. precision. D. accuracy.

At 300 k the pressure inside a gas filled container is 500 kPa if the pressure inside decreses to 100kpa but the volume remains the same what is the final temperature of the gas

The SI unit for current is: joules volts ohms amps