STAAR science/ss rotations

How many hydrogen atoms are in one molecule of camphor? C₁₀H₁₆O

• 16

• 10

• 26

• 27

Tags

NGSS.MS-PS1-1

Which model has properties most similar to chlorine?

• Model A

• Model B

• Model C

• Model D

A scientist determines an unknown metallic sample to have 77 protons and 77 electrons with a mass number of 192. How many neutrons does one metal atom contain?

• 115

• 154

• 346

• 77

How many oxygen atoms are in the following chemical formula? Al₂(CO₃)₃

• 3

• 6

• 9

• 18

Which statement is NOT a component of the cell theory?

• All living organisms are composed of cells

• Cells are made from other cells

• All cells have a defined nucleus

• Cells are the basic units of life.

Tags

NGSS.MS-LS1-1

Which item identifies a difference between plant and animal cells?

• The presence of cytoplasm

• The presence of a cell membrane

• The presence of a nucleus

• The presence of chloroplasts

What statement accurately reflects the relationship between speed and velocity?

• Speed and velocity are the same

• Speed and velocity are not related

• Velocity is speed plus direction

• Speed is velocity plus direction

A golfer hit a ball 230 m from the tee to the green. The ball traveled south and anded on the green in 4 seconds. What was the ball's speed?

• 57.5 m/s south

• 57.5 m/s north

• 57.5 m/s

• Not here

Tags

NGSS.MS-PS3-1

Which statement best describes the energy of the pitcher?

• Position A is mostly potential, Position B is some potential, but mostly kinetic, and Position C is mostly kinetic

• Position A is mostly kinetic, Position B is some potential, but mostly kinetic, and Position C is mostly potential

• Position A is mostly kinetic, Position B is mostly potential, and Position C is some potential, but mostly kinetic

• Position A is mostly potential, position B is mostly kinetic, and Position C is some potential, but mostly kinetic

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5

If a 50-kilogram student is pushed in a rolling chair with a force of 20 N, what is the student's acceleration?

• 2.5 m/s²

• 4.0 m/s²

• 1,000 m/s²

• 0.40 m/s²

Tags

NGSS.MS-PS2-2