On Target? Do this on your Warm Up worksheet!

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Presentation transcript:

On Target? Do this on your Warm Up worksheet! What does “conducts electricity” mean? What are some examples of things that conduct electricity?

For today Warmup Conductivity vs Insulator Conductivity Meters Vocab Properties Lab Objective: I can test properties of different substances in order to categorize these substances by recording accurate data throughout this lab activity.

GOAL of lab To practice testing properties of different substances Using those macroscopic observations to determine what is happening on the microscopic level. MACROSCOPIC = visible to the naked eye! MICROSCOPIC = invisible to the naked eye!

What is a conductor vs Insulator? Conductor: electricity flows easily (ex. Copper) Insulator: electricity does not flow easily (ex. plastic)

Conductivity Meter On/off switch LED lights power source probes Sketch this!

Using a conductivity meter: The probes are the ONLY part that should touch liquid. The blue part should never get wet. Always turn the meter OFF after use. Rinse the probes with distilled water after each use.

How we can test if something conducts electricity? Conductivity meter! What objects do you have that might conduct electricity? Take them out and we can test some of them 

Imagine……

Vocabulary=What do these mean? Matter: Microscopic: Macroscopic: Physical property: Compound: Conductivity: Chemical Formula: Melting point: Soluble: physical substance in general, as distinct from mind and spirit; (in physics) that which occupies space and possesses rest mass, especially as distinct from energy.

Vocabulary=What do these mean? Matter: physical substances that occupies space and has mass Microscopic: invisible to the naked eye Macroscopic: visible to the naked eye Physical property: something that can be observed or measured without changing the matter Compound: a thing that is composed of two or more separate elements. Conductivity: the ability to conduct electricity Chemical Formula: a way of expressing information about the amount of atoms that make up a compound Melting point: the temperature at which a given solid will melt. Soluble: A substance that can dissolve in water.