1.2 Chemical Changes — Unit test Answers

The density of gold is 19.3 g/cm3. What is the volume of a 13 g gold nugget? (Density: D = )

If the density and volume of an object is known, what can also be found?

Mason notices that his boat sinks lower into the water in a freshwater lake than in the ocean. What could explain this?

Cubes are three-dimensional square shapes that have equal sides. What is the density of a cube that has a mass of 12.6 g and a measured side length of 4.1 cm? (Density: D = )

This chart shows the volumes of four different objects.If the objects all have the same mass, which object is the most dense?

Which object will sink in freshwater, which has a density of 1.0 g/cm3?

This table shows the mass and volume of four different objects.

Gerald is fishing. He uses a bobber that floats on the surface to show him if the line is being moved, and a lure that sits below the surface to attract fish.Which statement accurately describes the densities of these two items?

Which describes how to calculate density?

What is the density of a 36 g object with a volume of 15 cm3? (Density: D = )