Open Scied 7.1

When energy was added to water with heat, it created...

• Carbon dioxide bubbles

• oxygen gas

• hydrogen gas

• water vapor

Tags

NGSS.MS-PS1-4

Matter cannot be _____ or ______.

• created, destroyed

• changed, destroyed

• energy, changed

• flipped, flopped

Tags

NGSS.MS-PS1-5

Which model of matter is most likely a liquid? 

• A

• B

• C

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Which thing in this picture represents a gas? 

• ice cubes

• bubbles 

• soda

Tags

NGSS.MS-PS1-4

The substances at the beginning of a chemical equation (to the left of the arrow) are called the ____

• product

• yield

• chemical symbol

• reactants

Iron rusts

• Physical Change

• Chemical Change

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

How can you cause a chemical reaction in bread dough?

• stir it

• heat it

• cool it

• freeze it

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-4

Which substance least likely caused a new substance to be formed when mixed with water?

• Substance 1

• Substance 2

• Substance 3

• Substance 4

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

A lab team investigated the physical properties of three different objects. Their observations are shown in the table below. Based on the students’ observations, which of the statements properly identifies the objects?

• 
• 
• 

Tags

NGSS.MS-PS1-2

Which box has a higher density?  

• Box A

• Box B

• cannot be determined

• they are the same