Law of Conservation of Mass 5th Grade Studies Weekly

An ice cube weighs 20 grams. How much will it weigh after it melts?

• 10 grams

• 15 grams

• 20 grams

• 25 grams

Tags

NGSS.MS-PS1-5

A substance such as salt disappears (no longer exisits) when it is dissolved?

• False

• True

Ms. Cookson makes a snack mixture. She adds 15 grams of M&M's, 10 grams of cashews, and 5 grams of Golden Grams cereal. How much does the mixture weigh?

• 15 grams

• 25 grams

• 30 grams

• 35 grams

Matter can never be ______________ ___________

• created nor destroyed

• heated or cooled

• destroyed and created

• dissolve or transport

Tags

NGSS.MS-PS1-5

Sally dissolves three grams of sugar in 55 grams of water.

How much does the mixture weigh?

• 55 grams

• 50 grams

• 60 grams

• 58 grams

Tags

NGSS.MS-PS1-5

Heat is added to a cube of iron. The iron gets so hot that it turns into a gas. The gas is cooled back into a cube. How will the weight of the original cube compare to the second cube?

• It will weigh less

• It will weigh more

• It will weigh the same

• They can not be compared

Tags

NGSS.MS-PS1-5

NGSS.MS-PS1-4

What does it mean to dissolve?

• become a solid

• become a gas

• break down in liquid

• make something warmer

What is a mixture?

• when sugar dissolves in water

• a combination of substances

• measuring the mass of a powder

• when a scale is perfectly balanced

Where does the sugar go when it is mixed with water?

• it goes into the air

• it goes into the water

• it disapears

• no one really knows

Tags

NGSS.MS-PS1-2

Which statement is true?

• a solid has more matter than a liquid

• Matter disappears when it changes states

• Mass does not change between states of matter

• more matter is added when a gas becomes a liquid

Tags

NGSS.MS-PS1-4