SCIENCE QUIZ BEE GRADE 9

Which of the following elements has a total of six electrons in its valence shell?

• a. nickel

• b. chromium

• c. sulfur

• d. bromine

Tags

NGSS.HS-PS1-1

Which scientist contributed to the first periodic table?

• a. Tycho Brahe

• b. Dimitri Mendeleev

• c. Aristotle

• d. Isaac Newton

Ernest Rutherford is credited for the discovery of

• a. the moons of Jupiter

• b. the nucleus of the atom

• c. deoxyribonucleic acid (DNA)

• d. the piezoelectric effect

The unit for measuring electric current is the_______.

• a. joule

• b. ohm

• c. ampere

• d. tesla

A group of stars that form a pattern and are named after it.

• a. Galaxy

• b. Star

• c. Constellation

• d. Comet

1. What is the formula for force?

• a. Net force ÷ Mass

• b. Mass - acceleration

• c. Mass x Velocity

• d. Mass x Acceleration

Tags

NGSS.HS-PS2-1

1. What is Newton's first law of motion?

• a. Every action has an equal opposite reaction

• b. The force acting on an object is equal to the mass of an object times its acceleration

• c. An object in motion stays in motion unless acted upon by an unbalanced force

• d. sandwich

Carbon is element found in organic compounds. Its atomic number is 6 and its atomic mass is 12. How many protons and electrons are there in 1 Carbon atom?

• a. 6 protons and 6 electrons

• b. 6 protons and 12 electrons

• c. 12 protons and 6 electrons

• d. 6 protons and 18 electrons

Tags

NGSS.MS-PS1-1

What is the name of the first Russian vaccine for Covid-19?

• a. Sprintnik V

• b. Sputnik V

• c. Russ 19

• d. Ruvac 19

It is found at the center of the atom.

• a. Nucleus

• b. pigments

• c. electricity

• d. mole