Science 7 - Final Exam Review

Element or Compound?
H₂O

• Element
• Compound

Tags

NGSS.MS-PS1-1

Which statement best describes an element?

• made from mixture 
• thousands in the world
• pure, made of only one atom
• can be separated 

What is happening at the boiling point?

• liquid to gas

• solid to liquid

• gas to liquid

• liquid to solid

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

The state of matter where particles are very spread out and moving quickly.

• gas

• liquid

• solid

• Helium

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Molecules in a solid look like:

• 
• 
• 
• 

Tags

NGSS.MS-PS1-1

What do gases and liquids have in common?

• Both have definite shape

• Both take the shape of its container

• Both have definite volume

• Both do not have definite volume

What do liquids and solids have in common?

• Both have definite volume

• Both have definite shape

• Both take the shape of its container

• Both can be compressed

A hypothesis is...

• an educated guess

• data collected using your senses

• observation based on numbers

The flowers are green and blue.

• Qualitative Observation

• Quantitative Observation

• Inference

• Hypothesis

What is a change in which a new substance is NOT formed?

• physical change

• chemical change

• color change

• physical property

Tags

NGSS.MS-PS1-4