Grade 12 - Science Finals

Easy: If the image produced by a concave mirror is real, reduced or diminished and inverted, in what position would you find the object?

• at the focal point

• at the center of curvature

• beyond the center of curvature

• between the center of curvature and the focal point

Easy: What is the total number of protons in an atom with two electrons in the first shell, eight electrons in the second shell, and seven electrons in the third shell?

• 2

• 9

• 19

• 17

Tags

NGSS.MS-PS1-1

Easy: Phosphorus has an atomic number of 15. A stable phosphorus atom has an electron configuration of:

• $1s^21p^62s^22p^5$

• $1s^22s^22p^63s^23p^3$

• $1s^21p^61d^7$

• $1s^22s^22p^63s^23p^14s^2$

Tags

NGSS.HS-PS1-1

Easy: An instrument used to measure the intensity of earthquakes

Easy: The principal metal used in manufacturing steel.

Advance: He was the first person to see a cell under microscope.

Advance: What organelle is referred to as the “Powerhouse of the Cell”?

Tags

NGSS.MS-LS1-2

Advance: The formula H₂O₂ stands for?

Tags

NGSS.MS-PS1-1

Advance: What is the ability of the body to maintain internal equilibrium?

Tags

NGSS.HS-LS1-3

Advance: This diagram represents a solar eclipse.

• True

• False

Tags

NGSS.MS-ESS1-1

NGSS.MS-ESS1-2