Diagnostic Test - Grade 8

The horizontal (side to side) rows in the Periodic Table are called:

• groups

• families

• periods

• atomic numbers

Sequence nonmetals, metals, and

metalloids in order from left to right

across the periodic table by copying and

completing the graphic organizer below.

• metals, metalloids, nonmetals

• metalloids, nonmetals, metals

• nonmetals, metals, metalloids,

• metals, nonmetals, metalloids

Microwave ovens heat food through the process of

• conduction.

• convection

• radiation.

Use the following information to calculate the volume of an irregularly shaped rock specimen:

I. Place a 250 ml of water in a graduated cylinder

II. Place the rock specimen in the graduated cylinder

III. The water level in the graduated cylinder then rises to a level of 318 ml

The volume of the rock specimen is:

• 68 ml

• 250 ml

• 318 ml

• 568 ml

This tool is used to measure:

• mass

• volume

• temperature

• time

Light travels in:

• curved lines

• straight line

• zig-zag lines

• circular path

A ____________ breaks down waste or dead organisms and recycles nutrients.

• consumer

• producer

• decomposer

• omnivore

Which is the best description of an ecosystem?

• all of the living and nonliving things in an area

• all of the individuals of one species in an are

• all of the populations of living things in an area

• all of the abiotic factors in an area

What are the products in the photosynthesis reaction?

• oxygen and sugar

• carbon dioxide and sugar

• oxygen and carbon dioxide

• sugar and water

Component of the digestive system which produces hydrochloric acid?

• Gall bladder

• Liver

• Pancreas

• Stomach