1st 9wks

Observation based on prior knowledge?

• hypothesis
• inference
• theory
• guess

Tags

NGSS.MS-LS2-4

The variable you control or manipulate

• dependent variable
• independent variable

Tags

NGSS.MS-PS2-2

The variable you measure and the one that responds to changes

• independent variable
• dependent variable

Tags

NGSS.MS-PS2-2

formula for density

• mass/length
• mass/ volume
• volume/mass
• length/mass

How do you find the object of an irregularly shaped, solid object?

• L x W x H
• balance
• water displacement method

all matter is made of ________

• atoms
• carbon
• hydrogen
• nitrogen

Tags

NGSS.MS-PS1-1

This is electric current, not plasma.

Is this matter?

• yes 
• no

Tags

NGSS.MS-PS2-3

Is this matter?

• yes 
• no

Clues to a chemical change?
I. burning
II. tearing
III. dissoving
IV. rusting

• I only
• I and II
• II and III
• I and IV

Tags

NGSS.MS-PS1-2

Clues to a chemical change?
I. changing state
II. tearing
III. dissoving
IV. rusting

• I only
• I, II, and III
• IV only
• I and IV

Tags

NGSS.MS-PS1-2