WARM UP - Loudoun County Public Schools · 2016-11-26 · What are some mixtures you see or use every day? WARM UP . 1. Attendance . 2. Agenda – Molecule Worksheet . 3. Warm Up

What are some mixtures you see or use every day?

WARM UP

1. Attendance 2. Agenda – Molecule Worksheet 3. Warm Up

USE YOUR NOTES! FILL IN THE BLANKS!

Classifying Matter: Elements, Compounds, and Mixtures

Compounds

A compound is a pure substance composed of two or more different elements joined by chemical bonds.

Has a chemical formula. The subscript (small number) tells you how many of that element are needed. Made of elements in a specific ratio that are always the same Can only be separated by chemical means, not physically

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https://www.google.com/imgres?imgurl&imgrefurl=http%3A%2F%2Fwww.apartmenttherapy.com%2Fhomemade-sidewalk-chalkhow-to-121881&h=0&w=0&sz=1&tbnid=2GtmJ-sD272P8M&tbnh=194&tbnw=259&zoom=1&docid=d9POLR-RNIGT7M&hl=en&ei=qdJIUo2AN_fe4APQ4ICACA&ved=0CAEQsCU

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Study Jam!

http://studyjams.scholastic.com/studyjams/jams/science/matter/elements-and-compounds.htm

Mixtures A combination of two or more pure substances that are not

chemically combined.

No chemical change takes place

Each item retains it’s own properties in the mixture.

They can be separated physically with time, or pressure.

Chem4kids.com

http://www.google.com/url?sa=i&rct=j&q=&esrc=s&frm=1&source=images&cd=&cad=rja&docid=caZA1tssS5CgzM&tbnid=28CZErpcelWD2M:&ved=0CAUQjRw&url=http%3A%2F%2Fmonsterguide.net%2Fhow-to-make-bird-food&ei=D9pIUrTKILit4APmqYHgBQ&bvm=bv.53217764,d.dmg&psig=AFQjCNGAl_CiR0vWhh52wMgffDNqTUo8yw&ust=1380592515955314

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http://www.google.com/url?sa=i&rct=j&q=&esrc=s&frm=1&source=images&cd=&cad=rja&docid=t00i8v214x6KFM&tbnid=x3uiFEiC3dnxNM:&ved=0CAUQjRw&url=http%3A%2F%2Fwww.insidethemagic.net%2F2011%2F09%2Fdisney-theme-park-sand-sculptures-could-come-to-walt-disney-world-disneyland-paris-for-anniversary-celebrations%2F&ei=q9tIUrPYN_ev4AP5yYHQBQ&bvm=bv.53217764,d.dmg&psig=AFQjCNExElHqPH0-NE13hYl9LhgabZ2pXQ&ust=1380592911263864

The Science of Macaroni Salad

http://ed.ted.com/lessons/the-science-of-macaroni-salad-what-s-in-a-mixture-josh-kurz

Mixture vs. Compound

Can you identify the following?

Tell me is the item in the photo is an

element, compound, or mixture.

(14 photos)

element : contains just one type of atom.

compound : contains two or more different atoms chemically joined together.

mixture : contains two or more different substances that are only physically joined together, not chemically.

Element, Compound, or Mixture? Rocks

Element, Compound, or Mixture? Rocks

Element, Compound, or Mixture? Copper

Element, Compound, or Mixture? Copper

Element, Compound, or Mixture? Jelly Beans

Element, Compound, or Mixture? Jelly Beans

Element, Compound, or Mixture? Table Sugar

Element, Compound, or Mixture? Table Sugar

Element, Compound, or Mixture? Diamond

Element, Compound, or Mixture? Diamond

Element, Compound, or Mixture? Tea

Element, Compound, or Mixture? Tea

Element, Compound, or Mixture? Salt

Element, Compound, or Mixture? Salt

Element, Compound, or Mixture? Neon Gas

Element, Compound, or Mixture? Neon Gas

Element, Compound, or Mixture? Salad

Element, Compound, or Mixture? Salad

Element, Compound, or Mixture? Pure Water

Element, Compound, or Mixture? Pure Water

Element, Compound, or Mixture? Aluminum

Element, Compound, or Mixture? Aluminum

Element, Compound, or Mixture? Lemonade

Element, Compound, or Mixture? Lemonade

Element, Compound, or Mixture? Silver

Element, Compound, or Mixture? Silver

Element, Compound, or Mixture? Sand

Element, Compound, or Mixture? Sand

LEGO Demo: http://www.youtube.com/watch?v=gr-3j9tOJqM

http://www.youtube.com/watch?v=gr-3j9tOJqM

Classwork Time!

Documents

WARM UP - Loudoun County Public Schools · 2016-11-26 · What are some mixtures you see or use every day? WARM UP . 1. Attendance . 2. Agenda – Molecule Worksheet . 3. Warm Up