States of Matter and Properties of Substances

How do molecules in a solid move?

• Molecules slip and slide past each other.

• Molecules vibrate in place.

• Molecules move quickly and spread out to fill their container.

• Molecules move quickly and are dependent on the size and shape of the container.

Tags

NGSS.MS-PS3-4

What is the movement of molecules in a liquid?

• Molecules slip and slide past each other.

• Molecules vibrate in place.

• Molecules move quickly and are dependent on the size and shape of the container.

• Molecules have a fixed volume and shape.

Tags

NGSS.MS-PS1-4

Which statement best describes the movement of molecules in a gas?

• Molecules slip and slide past each other.

• Molecules vibrate in place.

• Molecules move quickly and spread out to fill their container.

• Molecules have a fixed volume and shape.

What type of properties can be observed or tested without changing what the substance is made of?

• Chemical properties.

• Physical properties.

• Biological properties.

• Intrinsic properties.

Is the state of matter (solid, liquid, or gas) a chemical or physical property?

• Chemical property.

• Physical property.

Tags

NGSS.MS-PS1-4

Which liquid has a high viscosity?

• Water

• Milk

• Honey

• Isopropyl alcohol

What is the definition of boiling point?

• The energy required to raise the temperature of a substance by 1°C.

• The temperature at which the molecules have enough energy to change state from a solid to a liquid.

• The amount of mass in a specific space.

• The temperature at which the molecules have enough energy to change state from a liquid to a gas.

Tags

NGSS.MS-PS1-4

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What does the term 'density' refer to?

• The ability of a substance to mix into a liquid; to dissolve.

• The temperature at which the molecules have enough energy to change state from a solid to a liquid.

• The amount of mass in a specific space/volume.

• The ability of a metal to be pounded into thin sheets.

How does temperature affect the solubility of sugar in water?

• Increases the solubility of sugar

• Decreases the solubility of sugar

• Little to no effect

• sugar is insoluble in water

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

How does temperature affect the solubility of salt in water?

• Increases the solubility of salt

• Decreases the solubility of salt

• Little to no effect

• salt is insoluble in water

Tags

NGSS.MS-PS1-4

NGSS.MS-PS1-2