matter and change

What type of mixture is chocolate chip ice cream?

• Homogeneous

• Heterogeneous

Which of the following are evidences of a chemical change?

• Change of color (unintended)

• Change of shape

• Change of size

• Change of odor

Tags

NGSS.MS-PS1-2

Changing the way matter looks without changing it into NEW matter is a:

• Chemical change
• Physical change
• Energy change
• BOTH a chemical and a physical change

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-4

Chopping wood is an example of a:

• Physical change
• Chemical change

Tags

NGSS.MS-PS1-4

Water freezing to ice is an example of a:

• Physical change
• Chemical change

Tags

NGSS.MS-PS1-4

Burning wood to ash is an example of a:

• Physical change
• Chemical change

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Which state of matter has particles arranged like this?

• solid
• liquid
• gas

Tags

NGSS.5-PS1-1

One type of cold remedy is an effervescent tablet that breaks down in water. When the tablet is placed in water, it forms gas bubbles. In this example, the formation of a gas

• is a physical property
• a chemical change
• occures when adding water to acid

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Tonya observes a mixture of two clear liquids in a container to see if a chemical change occurs. Which observation demonstrates the mixture is undergoing a chemical change?

• the mixture remains at a constant tempurature
• a gas forms after the liquids are mixed
• one liquid floats on top of the other

Tags

NGSS.MS-PS1-2

Water is boiled and water vapor forms. Which best describes this process?

• A chemical change occurs because a completely new substance forms.

• A chemical change occurs because the temperature of the water changes.

• A physical change occurs because the water disappears as it is absorbed by air.

• A physical change occurs because water and vapor are different states of the same substance.