Objects and Matter

Which of the following best describes matter?

• Only solid objects
• Anything that has mass and takes up space
• Anything that has no mass and does not take up space
• Anything that has no mass and takes up space

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-4

What is the difference between mass and volume?

• Mass is the amount of matter in an object, while volume is the amount of space it occupies.
• Mass and volume are the same thing
• Volume is the weight of an object, while mass is the size of an object
• Mass is the amount of space an object occupies, while volume is the amount of matter in an object

What is density?

• The measure of weight per unit volume of a substance
• The measure of mass per unit volume of a substance
• The measure of volume per unit mass of a substance
• The measure of temperature per unit volume of a substance

Which state of matter has a definite shape and volume?

• liquid
• gas
• plasma
• solid

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

When ice melts into water, what phase change occurs?

• Deposition

• Sublimation

• Melting

• Condensation

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

What happens to the particles of a substance when it changes from a liquid to a gas?

• The particles stop moving altogether.
• The particles become more tightly packed together.
• The particles change color.
• The particles spread out and move more freely.

Tags

NGSS.MS-PS1-4

Which of the following is an example of a pure substance?

• Air

• Saltwater

• Iron

• Fruit salad

What is the difference between a mixture and a solution?

• A mixture is a combination of two or more substances that are not chemically combined, while a solution is a homogeneous mixture of two or more substances.
• A mixture is a combination of two or more substances that are not chemically combined, while a solution is a pure substance.
• A mixture is a combination of two or more substances that are chemically combined, while a solution is a heterogeneous mixture of two or more substances.
• A mixture is a combination of two or more substances that are not chemically combined, while a solution is a compound formed by the reaction of two or more substances.

When you mix baking soda and vinegar, what type of reaction occurs?

• Physical change, because the baking soda changes shape.

• Chemical change because new substances are formed.

• Phase change, because the vinegar boils.

• Density change, because the mixture becomes heavier.

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Which of the following is an example of physical weathering? (hint, weathering: to wear out)

• Rust forming on iron

• Rocks breaking apart due to freezing water

• Wood rotting and becoming soil

• Paper burning and turning to ashes

Tags

NGSS.MS-ESS2-2