8th Science STAAR 12.13.23

All living things require oxygen to survive. Where on the periodic table above would you find gases like oxygen? 

• section A 
• section B 
• section C 
• section D 

CH₄ +2O₂  →  CO₂ +2H₂O 
How many different elements are involved in this reaction? 

• two 
• three 
• four
• five

Tags

NGSS.MS-PS1-1

A train is traveling away from you at a constant speed. What would a distance-time graph look like for this train? 

• A
• B
• C
• D

Tags

NGSS.MS-PS3-1

Which of the following best describes a relationship in this grassland?

• Badgers are top predators because they eat upland sandpipers and beetles.

• A producer–consumer relationship exists between lupines and ants.

• A predator–prey relationship exists between beetles and ground squirrels.

• Upland sandpipers are primary and secondary consumers because they eat grasses and grasshoppers.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-2

• 2
• 8
• 3
• 13

Tags

NGSS.MS-PS1-1

USE THE PERIODIC TABLE

How many valence electrons does sodium have?

• 1

• 2

• 3

• 4

How many protons are in Cadmium?

• 112.411
• 170
• 64
• 48

Tags

NGSS.MS-PS1-1

• F

• G

• H

• J

Tags

NGSS.MS-PS3-2

NGSS.MS-PS3-5

• A

• B

• C

• D

Tags

NGSS.MS-PS3-1

The energy of motion.

• Potential Energy
• Kinetic Energy

Tags

NGSS.MS-PS2-2

NGSS.MS-PS3-1

NGSS.MS-PS3-5