Jumpstart Test - Part 1 (8th Grade)

Which of the metal is in the Alkali Metal Family?

• Calcium

• Mercury

• Magnesium

• Sodium

Which of the following best represents a mixture?

• Bar of Gold

• Copper Pipe

• Bowl of Oatmeal

• Distilled Water

Which of the following represents a compound?

• distilled water

• bar of gold

• copper pipe

• bowl of oatmeal

Which of the following best represents a pure substance?

• Bar of Gold

• Trail Mix

• Bowl of Oatmeal

• Salt Water

Which subatomic particle determines the reactivity of metals when moving left to right on the periodic table?

• electrons

• protons

• neutrons

• elements

Which property is unique for each element?

• atomic mass

• atomic number

• state of matter

• boiling point

A researcher uses several procedures to separate a rock sample into different chemicals. A mass of 50 grams of one chemical is produced. If this chemical cannot be broken down into other chemicals, then it is best described as

• a compound

• a mixture

• a solution

• an element

Which best explains how the periodic table is used to identify properties of elements?

• 1. By the color and shape of the element

• 1. By the group in which the elements are located

• 1. By the number of neutrons in the elements

• 1. By the period in which the elements are located

Which best describes the purpose of the bold staircase line on the right side of the periodic table?

• To separate the gases from the liquids

• 1. To separate metals from nonmetals

• 1. To separate transition metals from alkaline earth metals

• 1. To separate solids for liquids

James places 35 grams of ice in a dry, 200 gram container. The top of the container is closed. The ice melted. James measures the container and the liquid. What mass of liquid should be in the container?

• 35 grams

• 165 grams

• 200 grams

• 235 grams