Grade 9 Science Exam Review

Which is not an example of a chemical reaction?

• Substance changes colour

• A precipitate is formed

• Substance breaks in half

• Change in temperature

Tags

NGSS.MS-PS1-2

A pure substance is made up of only one particle

• True

• False

Tags

NGSS.MS-PS1-1

"A change in which the composition of a substance remains the same and no new substance has been created"

• Physical change

• Chemical change

• Color change

• Gas production

Tags

NGSS.MS-PS1-4

"An element that has properties of both metals and non-metals"

• Metal

• Non-metal

• Metalloid

• Element

Tags

NGSS.HS-PS1-1

Which family does "Na" belong to?

• Alkaline Earth Metals

• Alkali Metals

• Noble Gases

• Halogens

Which family is highly reactive, and is a gas at room temperature?

• Noble Gases

• Alkali Metals

• Alkaline Earth Metals

• Halogens

What do you call a row on the periodic table?

• Period

• Family

• Metals

• Metalloid

Which scientist stated all matter is made up of atoms, the atoms are all the same for one substance, and different for different substances

• Rutherford

• Chadwick

• Dalton

• Bohr

Tags

NGSS.MS-PS1-1

Who stated that there are neutral particles, called neutrons, in the nucleus, roughly the same size as protons

• Einstein

• Chadwick

• Bohr

• Rutherford

Tags

NGSS.MS-PS1-1

What is the test for carbon dioxide gas?

• Flaming splint

• Glowing splint