Chemistry! Hooray!

Chemistry! Hooray!

Monday 25 January 2016

Classifying Mixtures Lab (Different Versions for different Classes)

Station #
Substance
Appearance:
Provide observations
Pure Substance or Mixture
If it is a mixture… is it homogeneous? heterogeneous?
1


Sugar
White, grains, very small, solid, crystals, rectangular
Pure substance

2


Plasticene
Pink, soft, doughy,
Mixture
Heterogeneous
3


Iron filings
Rock like, magnetic, grey, metallic
Pure substance

4


Potassium permanganate
Small, purple, grains
Pure substance

5


Drink crystals
Small pink, crystals, smelled like fruit
Mixture
Heterogeneous
6


Candy cane
Blue, smelled sweet, sticky, white
Mixture
Heterogeneous
7


Food colouring and water
Blood red, liquid, clear
Mixture
Homogeneous
8


Corn kernels
Shell, yellow and white, solid, hard
Mixture
Heterogeneous
9


Sand
Many different types of rocks
Mixture
Heterogeneous
10


Dish soap
Orange, liquid, looked soapy
Mixture
Homogenous
11


Pencil shavings
Shredded pencils, different colours
Mixture
Heterogeneous
12


Copper sulfate
Small blue crystals,
Pure substance

13


All-purpose flour
White powder,
Mixture
Heterogeneous
14


Paint
Green, liquid, thick, opaque
Mixture
homogenous

Station #
Substance
Appearance:
Provide observations
Pure Substance or Mixture
If it is a mixture… is it homogeneous? heterogeneous?
1


Sugar
Clear white grains, crystals, rectangular, translucent
Pure

2


Salt
Smelled like salt, small round crystals, translucent
Pure

3


Iron
Rock like, grey, metallic
Pure

4


Potassium permanganate
Small purple rocks
pure

5


Drink crystals
Small coloured crystals, pink
Mixture
Heterogeneous
6


Candy cane
Blue, white, shiny, solid, cylindrical
Mixture
Heterogeneous
7


Food colouring and water
Red, clear, liquid
Mixture
Homogeneous
8


Corn kernels
Yellow, spherical shape, shell, hard, solid,
Mixture
Heterogeneous
9


Sand
Many different types of rocks, different colours
Mixture
Heterogeneous
10


Dish soap
Orange scented, orange, liquid
Mixture
Homogeneous
11


Pencil shavings
Shredded wood, different colours
Mixture
Heterogeneous
12


Copper sulfate
Small blue crystals,
Pure substance

13


All-purpose flour
White powder
Mixture
Heterogeneous
14


Paint
Green liquid, opaque,
Mixture
homogenous

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