4.6C Conservation of Matter

What does it mean to dissolve?

• characteristic

• a combination of two or more materials

• to break down into a microscopic size

• take apart

What is the definition of Matter?

• A state of matter with a definite shape and volume

• Anything that has mass and takes up space

• A state of matter with definite volume and no definite shape

• How much space something takes up

What does it mean to Dissolve?

• To break down into a microscopic size

• A state of matter with a definite shape and volume

• A state of matter with definite volume and no definite shape

• How much space something takes up

What is the definition of a Liquid?

• A state of matter with a definite shape and volume

• Anything that has mass and takes up space

• A state of matter with definite volume and no definite shape

• How much space something takes up

A student has a box that has a mass of 20 grams. They put a book inside that has a mass of 100 grams. They put the box with the book inside on a digital scale. What result can they expect?

• 80 grams

• 100 grams

• 120 grams

• 180 grams

Tags

NGSS.5-PS1-2

A lab team followed these instructions in science class: How many grams of salt can they expect to find left behind in the beaker?

• 0 grams

• 10 grams

• 40 grams

• 60 grams

Tags

NGSS.MS-PS1-2

A student is creating a mixture. They know the masses of the two ingredients they are mixing, but their scale breaks before they can measure the mass of the completed mixture. What procedure could give them the mass of the mixture?

• Multiply the two ingredients’ masses

• Subtract the smaller ingredient’s mass from the larger ingredient’s mass

• Add the masses of the two ingredients

• There is no way to determine the mixture’s mass

What is volume?

• Volume is the length of an object
• Volume is the weight of an object
• amount of space an object takes up

• Volume is the temperature of an object

Match the following

• no shape, no definite volume

• Solid

• has a definite shape and volume

• Gas

• definite volume, no definite shape

• Liquid

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

what is mass?

• Mass is a measure of the temperature of an object.
• Mass is a measure of the amount of matter in an object.
• Mass is a measure of the speed of an object.
• Mass is a measure of the volume of an object.