Matter and Molecules

What is this particle model picture showing?

• Solid

• Liquid

• Gas

Tags

NGSS.MS-PS1-4

When ice _______ it turns from a solid into a liquid.

• Boils

• condenses

• melts

• evaporates

Tags

NGSS.MS-PS1-4

What is the equation for density?

• Mass x volume

• Mass ÷ volume

• Volume ÷ mass

What process occurs when a liquid absorbs energy gradually from its environment to change into a gas

• Boiling

• Evaporation

• Condensation

• Melting

Tags

NGSS.MS-PS1-4

How do particles in a solid move?

• Random and in all directions

• They role over each other (flow).

• They vibrate around a fixed point

Tags

NGSS.MS-PS1-4

What property of a gas is linked to its temperature?

• The weight of the gas particles

• The charge of the particles

• The average kinetic energy of the particles.

Tags

NGSS.MS-PS1-4

What is the volume of a cube which has sides that are 2 cm long? Hint: length x width x height.

• 8 centimetres cubed

• 4 centimetres cubed

• 2 centimetres cubed.

What is a displacement can (also known as a Eureka can) used for?

• Measure volume of irregular solids

• Measure mass of irregular solids

• Measure mass of regular solids

What is the density of a material if 10 cm³ of it has a mass of 20 g?

• 2 g/cm³

• 0.5 g/cm³

• 200 g/cm³

What causes the pressure that a gas exerts?

• Collisions with the particles on the walls of the container

• The charge of the particles

• The size of the particles

Tags

NGSS.MS-PS2-2