6th grade science post test

A hypothesis is a reasonable and educated _____

• experiment

• guess
• scientist
• test

To test a hypothesis, a scientist could conduct an ____

• environment

• experiment
• inference
• observation

Drawing conclusions based on scientific data is an _____

• environment
• experiment
• inference
• observation

A school butterfly club did a field study to document the species of butterflies present in their Ohio town.  Students divided a circular field study area into 5 sections.  The students took photos and recorded notes about each section.  In addition to the butterfly net, what tools would the students need to collect data for the study?

• camera and balance
• stopwatch and camera
• tape measure and camera

• tape measure and balance

Which physical property of minerals is tested when you scratch a diamond with an iron nail?

• cleavage
• color
• Fracture
• hardness

When a mineral breaks with rough or jagged edges we describe it as having

• cleavage
• color
• fracture
• hardness

The chart that shows all atoms that everything in the known universe is made of is called

• D' nealian alphabet
• pH scale
• Moh's scale of hardness
• periodic table of the elements

How many naturally occurring elements are in the universe?

• 90
• millions

• 284
• hundreds

Which is the chemical formula for carbon dioxide?

• NaCl
• H2O
• O2
• CO2

An unknown mineral attracts iron fillings. It can be assumed that this mineral is

• has an earthly luster
• is colorless
• is hard
• is magnetic