homogeneous vs heterogeneous mixtures, Elements, Compounds and Mixtures., Physical and Chemical changes

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Physical Change

Cutting wood

Physical Change

Cutting your hair

Chemical Change

Digesting food

Physical Change

Mixing cocoa with milk to make hot chocolate

Physical Change

Mixing oil and vinegar

Physical Change

Mixing salt with water

Chemical Change

Soured Milk

homogeneous

black coffee

homogeneous

chocolate sauce

heterogeneous

mixed candy

heterogeneous

oil and vinegar salad dressing

heterogeneous

oil and water

homogeneous

perfume

Physical change

A change from one state (solid or liquid or gas) to another without a change in chemical composition which can be made by freezing, melting or boiling a substance.

Chemical Change

A change in which one or more substances combine or break apart to form new substances.

physical change

A change that alters the form, shape or appearance of a material but does not make the material into a new substance.

Chemical change

A change that occurs when one or more substances change into entirely new substances with different properties

Chemical Change

A plant growing with energy from the sun

Chemical Change

A rusting nail

Chemical Change

Cooking an egg

Chemical Change

Copper reacts with carbon dioxide to form copper carbonate

Physical Change

Crumpling paper

homogeneous mixture

Air is a/an

compound

Alcohol (CH₃OH) is a/an

compound

Ammonia (NH₃) is a/an

Chemical Change

An orange growing mold

compound

Baking Soda (NaHCO₃) is a/an

Chemical Change

Baking a cake

Physical Change

Bending a paper clip

element

Bismuth (Bi) is a/an

Chemical Change

Bleaching your hair

Physical Change

Breaking a glass cup

Physical Change

Breaking a piece of chalk in two

mixture It is also an example of an 'alloy', which is a mixture that includes at least 1 metal element. Bronze consists of copper and tin.

Bronze is a/an

Chemical Change

Burning wood

Physical Change

Butter melting

heterogeneous mixture

Concrete is a/an

Mixture of 2 different elements

Each colored dot is a different element. Dots that are touching are chemically bonded. Does this represent an element, compound or mixture?

Mixture of one element and one compound

Each colored dot is a different element. Dots that are touching are chemically bonded. Does this represent an element, compound or mixture?

Compound

Each colored dot is a different element. Dots that are touching are chemically bonded. Does this represent an element, compound or mixture?

Chemical Change

Effervescent tablets bubble when the citric acid and baking soda react with water

Chemical Change

Exploding Fireworks

Physical Change

Freezing Water

Physical Change

Freezing water

element

Gold (Au) is a/an

Physical Change

Heating water to boiling point

Physical change

Inflating a soccer ball

element

Iron (Fe) is a/an₋

homogeneous

Kool-aid

element

Krypton (Kr) is a/an

Physical Change

Melting chocolate

homogeneous mixture

Milk is a/an

Chemical Change

Mixing baking soda and vinegar

Chemical Change

Photosynthesis

heterogeneous mixture

Pizza is a/an

heterogeneous mixture

Popcorn is a/an

Physical Change

Popping Balloons

Physical Change

Ripping your homework

Chemical Change

Roasting a marshmallow

Chemical Change

Rotting Wood

Chemical Change

Rotting fruit

compound

Salt (NaCl) is a/an

Physical Change

Sanding a piece of paper

Physical Change

Sharpening a pencil

Physical Change

Sugar dissolving in water

Chemical Change

The Statue of Liberty turning green

element

Titanium (Ti) is a/an

Physical Change

Turning a lump of clay into a figure

element

Uranium (U)

compound

Water (H₂O) is a/an

homogeneous mixture or solution

copper (II) sulfate dissolved in water

compound

dry ice (CO₂)

heterogeneous

fiber in water

heterogeneous

food coloring in milk

heterogeneous

fruit cup

homogeneous mixture

gasoline is a/an

compound

glucose (C₆H₁₂O₆) is a/an

homogeneous mixture

ink is a/an

heterogeneous

latte

homogeneous

pre 1982 pennies

heterogeneous

salad

heterogeneous

stawberries

compound

sulfuric acid (H₂SO₄) is a/an

homogeneous

tap water

heterogeneous mixture

wood is a/an


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