Staar Review Science

A rift valley occurs at a ____________ boundary.

• divergent

• convergent

• transform

• horizontal

What is the elevation of point B?

• 800 ft

• 850 ft

• 900 ft

• 1000 ft

Determine the contour interval:

• 5 m

• 10 m

• 15 m

• 20 m

What do contour lines that are farther apart represent?

• waterfall

• steep area

• gentle slope

• river

An organism that can make its own food

• decomposer

• producer

• consumer

Small consumers that are hunted and eaten by larger consumers

• producer

• prey

• predator

Is the following equation balanced?...
Al + O₂ --> 2Al₂O₃

• Yes!

• No!

Tags

NGSS.MS-PS1-5

Element or compound?
H₂O

• Element

• Compound

Tags

NGSS.MS-PS1-1

How many aluminum atoms are in Al₂(SO₄)₃?

• 1

• 2

• 3

• 4

Tags

NGSS.MS-PS1-1

How many atoms are in the neurotransmitter serotonin? The formula for serotonin is C₁₀H₁₂N₂O

• 10

• 20

• 25

• 23

Tags

NGSS.MS-PS1-1