Classifying Matter Pure substances and mixtures The Solidliquid

Classifying Matter Pure substances and mixtures

The Solid-liquid n n https: //www. youtube. com/watch? v=dh _blg. MC 37 o https: //www. youtube. com/watch? featur e=fvwp&v=3 zo. TKXXNQIU&NR=1

Science terms of the day! n n Mixture Heterogeneous Pure substance Homogeneous *worksheet

Pure substance and Mixture n Pure substances n n Gold Pure water Helium White sugar n Mixtures n n Sand Rocks Air Salad dressing

Homogeneous & heterogeneous n Homogeneous n n n Lemonade Water Cotton cloth n It is not always easy to tell n n Heterogeneous n n n Granola Concrete Sand Let’s try some that are hard to tell

Hypothesis? n n n Blood Milk Toothpaste

Blood • http: //www. mybloodyourblood. org/biology_white. htm • http: //wi. mit. edu/programs

Toothpaste SEM http: //www. sciencephoto. com/media/299853/view

Milk http: //3. bp. blogspot. com/_f_Om. Adl. U 5 os/Sv. W 4 b 7 f. AOe. I/AAAAA 8 Q/8 IXU_v. ZT 2 ns/s 400/DSC 06518+-+2. JPG http: //i-cdn. apartmenttherapy. com/uimages/kitchen/2012 -4 -25 -rawmilk. jpg

Homogeneous mixture? n What if we mixed salt and water? http: //www. ericjorgensen. com/images/Microscope/Salt%2040 x. jpg

Investigation n Worksheets n Work in 2’s or 3’s to fill out your Inspectors corner

Sugar http: //thumbs. dreamstime. com/thumblarge_713/1347554109 oan. Y 3 X. jpg

Sand!

Describing pure substances and mixtures n n Working together Goes with pages 132 - 136 in the text book

Question 1 n How is a mixture different from a pure substance? n n n A) one is blue one is green B) one has more than one kind of matter in it C) they are the same thing

How is a mixture different from a pure substance? B n one has more than one type of matter in it

Question 2 n What do you call a sample of matter that has more than one set of properties? A) A town home complex has many sets B) A mixture has more than one set of properties C) A rainbow has seven sets

Question 2 n What do you call a sample of matter that has more than one set of properties? B) A mixture has more than one set of properties

Question 3 n A) B) C) What is a heterogeneous mixture? Made up of different parts we can see Banana bread A smart cookie

Question 3 n What is a heterogeneous mixture? A) Made up of different parts we can see

Question 4 n A) B) C) What is a pure substance? Has no colour Matter that is the same throughout Is smooth matter

Question 4 n What is a pure substance? B) Matter that is the same throughout

Question 5 n A) B) C) What makes a sample of matter homogeneous? It has been shaken really well It has the same shapes inside All the material is the same in every part

Question 5 n What makes a sample of matter homogeneous? C) All the material is the same in every part

Question 6 n A) B) C) What is one way to decide whether a sample of matter is homogeneous or heterogeneous? Shake it to check for floaties Cook it under high heat Use your eyes or microscope to see if it has more than one type of matter

Question 6 n What is one way to decide whether a sample of matter is homogeneous or heterogeneous? C) Use your eyes or microscope to see if it has more than one type of matter

Question 7 n A) B) C) What is an example of a homogeneous mixture? Gravy Sugar water for hummingbirds Pizza sauce

Question 7 n What is an example of a homogeneous mixture? B) Sugar water for hummingbirds

Classifying mixtures Mixture Homogeneous Alloy Solution Heterogeneous Mechanical mixture Suspension Emulsion

Mechanical Mixture Heterogeneous Mechanical mixture

Suspension Mixture Heterogeneous Suspension

Emulsion Mixture Heterogeneous Emulsion

Solutions Mixture Homogeneous Solution http: //fc 01. deviantart. net/fs 70/f/2012/203/8/4/sea_water_by_adrian_robert-d 587 w 6 b. jpg http: //us. 123 rf. com/400 wm/400/jirkaejc 0909/jirkaejc 090900008/5466107 -window-cleaner-on-white-background. jpg

Alloy Mixture Homogeneous Alloy

Parts of a Solution n Solute: the substance that dissolves Solvent: what the solute dissolves into Solution: combination of solute and solvent

Solution of mechanical mixture? n n n Microscope: solutions you will only see one type of matter Filter: if a mechanical mixture, something will be in the filter Beam of light: mixture if light scattered