Leaf Skeleton Project

Esprit cabane has a tutorial on how to remove the pigment of a leaf using washing soda.  Make sure to use hearty leaves that can stand up to the washing.

Good for ages 12 and up.

Get the instructions here:
http://en.espritcabane.com/eco-crafts/skeleton-leaves.php

Water Cycle Experiment

Corkboard connections has instructions for how to make a mini water cycle using a rotisserie chicken container, rocks, grass, and water contained within aluminum foil. Not sure what the reaction is but that's part of the fun.

Good for ages 10 and up.

Get the instructions here:
http://corkboardconnections.blogspot.com/2011/10/mini-water-cycle-fun.html

Magic Drink Potion

Mrs. happy homemaker has a magic drink potion using sprite and kool aid ice cubes. As the potion melts the drink changes colors and flavors.

Good for ages 6 and up.

Get the instructions here:
http://www.mrshappyhomemaker.com/2011/10/magic-potion.html

Ice Fishing

Disney's family fun has instructions for how to pick up an ice cube with a string demonstrating the effect of salt on ice. All you need is a glass of water, an ice cube, salt and string.

Good for ages 4 and up.

Get the instructions here:
http://familyfun.go.com/crafts/crafts-by-type/educational-craft-activities/science-projects/life-an-ice-cube-with-string-829549/

Explosion Science Experiment

 
Home school journal berg blog has a nifty science experiment demonstrating how to make a ziploc bag pop using baking soda and vinegar to create a chemical reaction.

Good for ages 6 and up.

Get the instructions here:
http://homeschooljournal-bergblog.blogspot.com/2011/07/summer-fun-43-fizzy-explosion-bags.html

Fun at home with kids uses liquid watercolors and makes an explosion for each color.

Get the instructions here:
http://www.funathomewithkids.com/2014/08/how-to-get-best-baking-soda-and-vinegar.html

Disappearing Egg Shell Science Experiment

Science sparks has a great science experiment using an egg and vinegar to create a chemical action where the acid from the vinegar disolves the egg shell.

Good for ages 4 and up.

Get the instructions here:
http://www.science-sparks.com/2012/01/16/how-to-get-an-egg-yolk-without-cracking-the-egg/

Popsicle Stick Catapult

Science sparks demonstrates elasticity and shows how to make a catapult out of popsicle sticks, rubber bands and a plastic bottle cap.  Kids will have fun finding different objects to catapult across the house and seeing how they compare.

Good for ages 8 and up.

Get the instructions here:
http://www.science-sparks.com/2012/01/09/making-a-catapult-looking-at-elasticity/

 

Almost unschoolers has a simpler popsicle stick catapult using a clothes pin and bottle cap and block of wood to anchor it. 

Get the instructions here:

http://almostunschoolers.blogspot.com/2010/07/clothespin-torsion-catapult-for-kids.html

Do it and how has a scaled down catapult using the same supplies, just less of them.

Get the instructions here:

http://doitandhow.com/2011/10/01/craft-stick-catapult/

Floating Ketchup Experiement

Science Bob shows how to make a package of ketchup float in a plastic bottle demonstrating the science of buoyancy and density.  All you need is an empty bottle, a package of ketchup, some water and salt. 

Good for ages 4 and up.

Get the instructions here:
http://www.sciencebob.com/experiments/magic_ketchup.php

Candy Cane Science Experiment

Candy experiments shows yohow to see the colors that make up a candy cane.  All you need is a shallow dish of water and a candy cane and the stripes of the candy cane will slowly melt into the water.

Good for ages 4 and up.

Get the instructions here:
http://www.candyexperiments.com/2011/12/candy-cane-stripes.html

Volcano Color Game

House of Baby Piranha takes a scientific approach to learning colors.  To begin, the colors are all hidden underneath the baking soda.  Whether you child knows his colors or not he'll still have lots of fun creating these mini-volcanoes and seeing the colors come to life.  

Good for ages 3 and up.

Get the instructions here:
http://www.houseofbabypiranha.com/2011/09/magic-potions-colour-review.html

She knows sets them all off at the same time to make a rainbow.

Get the instructions here:
http://www.sheknows.com/living/articles/1076071/diy-erupting-rainbow-experiment-for-kids

Form a magic crystal snowflake

Your little scientist will love to make this crystal snowflake and best of all it doesn't require the purchase of any special kit.  Teaches your child about chemistry, suspension, and crystallization. 

Good for ages 5 and up. 

Get the instructions here:
http://babbledabbledo.com/science-for-kids-crystal-garden/