OpenSciEd

Which term is an example of a chemical property?

• Boiling point

• State of matter

• Flammability

• Color

Which is the best evidence for a chemical change?

• The substance dissolves.

• Fizzing and bubbling

• Absence of color change

• The solid melts.

Tags

NGSS.MS-PS1-2

Which of the following would this be considered?

• atom

• molecule

• phase change

Tags

NGSS.MS-PS1-1

Which of the following is this?

• atom

• molecule

• neither

Tags

NGSS.MS-PS1-1

Which of the following is this?

• atom

• molecule

• neither

Tags

NGSS.MS-PS1-1

___________ are made of more than one atom connected together.

Tags

NGSS.MS-PS1-1

In a __________ ________, the molecules that make up old substances can be broken apart and the atoms that make them up can be rearranged into new molecules to make new substances.

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

_________ are really small particles that can't be divided or destroyed in chemical reactions.

Tags

NGSS.MS-PS1-1

What happened when the bath bomb ingredients were mixed one at a time with water?

• Nothing. No NEW gases were created.

• Bubbles were formed at the bottom of the container.

• The temperature of the mixture increased and began to boil.

• The water and ingredients disappeared.

Tags

NGSS.MS-PS1-2

Which state of matter has molecules that vibrate the most?

• solid 

• liquid

• gas

Tags

NGSS.MS-PS1-4