Introduction to Scientific Skills Review

Ms West's eyes are brown

• Observation

• Inference

Ms West is frowning, so she must be angry.

• Observation

• Inference

What is an inference? 

• Just a guess.
• A statement based off of your observations. 
• The same as an observation. 
• Examples of something. 

Information that you gather with your senses.

• observation
• variable
• hypothesis
• testable question

Name the equipment

• thermometer
• test tube rack
• beaker
• dropper pipette 

Name the equipment

• clamp tower

• test tube holder

• clamp stand

• clamp holder

this equipment name is . . . .

• beakers

• conical flasks

• test tube

• petri dishes

What piece of equipment is used to measure precise quantities of liquids?

• beaker

• mortar and pestle

• measuring cylinder

• test tube

Check all the pieces of laboratory equipment you would need to pick up a hot test tube.

• hot gloves

• test tube tongs

• test tube rack

• safety glasses

• beaker

State the reading indicated by the arrow, giving answer in decimal form.

• 6.0 cm

• 6.9 cm

• 7.2 cm

• 6.4 cm