Matter

If an object has a mass of 52g and a volume of 4cm³. Calculate the density.

• 0.08g/cm³

• 208g/cm³

• 13g/cm³

• 46g/cm³

Which of the following best describes a liquid?

• indefinite shape, definite volume

• indefinite shape, indefinite volume

• definite shape, definite volume

• a combination of positive charged ions and free electrons

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Which of the following describes a solid?

• indefinite shape, definite volume

• indefinite shape, indefinite volume

• definite shape and volume

• definite shape, indefinite volume

Which of the following best describes a gas?

• indefinite shape, definite volume

• indefinite shape and volume

• definite shape and volume

• positive charged ions and free electrons

Tags

NGSS.MS-PS1-4

Which property explains why copper explains why copper is often used in electrical wiring?

• conductivity

• density

• magnetism

• solubility

A block has a mass of 105g and a volume of 84cm³. What is the density of the block?

• 0.80g/cm³

• 1.25g/cm³

• 7.50g/cm³

• 21.0g/cm³

If a solid were placed on the moon, would its density change?

• No, density is a measure of a mass to volume ratio. Mass does not change between planets.

• Yes, density is a measure of a weight to volume ratio. Weight does change between planetary objects.

• No, density is a measure of a weight to volume ratio. Weight does change between planetary objects.

• Yes, density is a measure of a mass to volume ratio. Mass does change between planetary objects.

Sami pops a helium balloon at a birthday party. What will happen to the particles of helium that were in the balloon?

• The particles will disappear

• The particles will move together

• The particles will spread out around the room

• The particles will stick together and sink to the floor

Tags

NGSS.MS-PS1-4

Which never changes during a physical change?

• state of matter

• temperature

• total mass

• volume

Which is true when a piece of paper is crumbled?

• Volume and mass increase

• Volume and mass decrease

• Volume and mass do not change

• Volume might decrease or increase, but mass does not change