8TH GRADE SCIENCE STAAR REVIEW 2024

Particles in an atom that are neutral and have no charge are 

• negatrons 
• electrons 
• neutrons 
• protons 

The vertical (up and down) columns in the Periodic Table are called

• groups

• towers

• periods

• atomic numbers

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

The horizontal (side to side) rows in the Periodic Table are called

• groups

• families

• periods

• atomic numbers

what group number are the noble gases

• 17

• 18

• 14

• 15

The substances listed on the right side of a chemical equation are the

• Yields
• Reactants
• Products
• Precipitates

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

How many Oxygen (O) atoms are in 2C₂HO₈C_l2

• 2
• 16
• 8
• 5

Tags

NGSS.MS-PS1-1

How many molecules of Carbon are in the following formula? 3C₂H₆

• 3
• 6
• 12
• 18

Tags

NGSS.MS-PS1-1

How many elements are in C₆H₁₂O₆?

• 1
• 2
• 3
• 4

Tags

NGSS.MS-PS1-1

What is the net force?

• 5000 N right
• 4000 N right
• 40 N left
• 4000 N left

Tags

NGSS.MS-PS2-2

What law is best described by inertia?

• 1st
• 2nd
• 3rd
• law of conservation of mass