Density Part 2

What property of the items is the speaker investigating by asking which are less dense or more dense than water?

• Mass

• Volume

• Density

• Weight

What is the easiest way to determine if an item is more or less dense than water?

• By measuring its mass and volume.

• By observing if it sinks or floats in water.

• By comparing its color to water.

• By heating it and observing its reaction.

Which of the following items are less dense than water?

• Rubber stopper, rock, safety pin

• Wooden toothpick, plastic block, cork

• Glass marble, aluminum washer, rock

• Safety pin, plastic block, cork

Which of the following items are more dense than water?

• Wooden toothpick, cork, glass marble

• Plastic block, rubber stopper, aluminum washer

• Rock, safety pin, glass marble

• Cork, rock, toothpick