DIY Colorful Slime

Teach preschool has a very simple recipe for making what she calls rainbow slime using only Elmer's glue, liquid starch and food coloring.

Good for ages 3 and up.

Get the instructions here:
http://www.teachpreschool.org/2012/03/rainbow-slime-in-preschool/

Learn play imagine has a similar tutorial with the same ingredients.

Get the instructions here:
http://www.learnplayimagine.com/2014/02/rainbow-slime-recipe.html 

Fun at home with kids makes a polka dot version.

Get the instructions here:
http://www.funathomewithkids.com/2014/06/polka-dot-slime.html 

Growing a jeweled rose uses kool-aid.

Get the instructions here:
http://www.growingajeweledrose.com/2014/02/edible-slime-recipe-kool-aid-slime.html

Left brain craft brain uses thermochromic pigments to make it change color with temperature.

Get the instructions here:
http://leftbraincraftbrain.com/2015/04/23/heat-sensitive-color-changing-slime/

Candy Acid Experiment

Candyexperiments.com shows how to test the acidity of any fruit flavored or sour candy using just warm water and baking soda. They even have videos for lemon heads, nerds, piie sticks and war heads.

Good for ages 5 and up.

Get the instructions here:
http://www.candyexperiments.com/2009/09/acid-test.html

How to Make a Star Wars Pinata

Starwars.com has a tutorial on how to make a Death Star pinata. It looks a lot more difficult to make than it actually is. The trick is to use masking tape to control for the solid lines. 

Good for ages 11 and up.

Get the instructions here:
http://www.starwars.com/play/online-activities/cooking/deathstarpinata/

Paper Leaf Print Bouquet

No time for flash cards shows how to make a leaf bouquet by rubbing crayons onto leafs covered with regular copy paper, which in turn transfers their seams onto the paper. They even have an idea for a vase - a paper towel roll.

Good for ages 5 and up.

Get the instructions here:
http://www.notimeforflashcards.com/2010/10/leaf-rubbing-tree.html

Music Shakers

Art is basic provides instructions for how to make a rattle using a paper plate, beans, paper mache, paper, feathers, paint and other materials to decorate.  A great paper mache idea for kids.

Good for ages 5 and up.

Get the instructions here:
http://vividlayers.blogspot.com/2011/12/paper-mache-rattles-kindergarten.html

The educators spin on it wraps plastic lid containers with colorful wrapping paper and fills them with an assortment of different beans, rice and seeds to make different sound effects.

Get the instructions here:
 http://www.theeducatorsspinonit.com/2012/01/baby-time-lets-make-music.html

Grow Your Own Gummy Bears

Did you know gummy bears grow if you place them in water? A survival guide to middle school knows all about the science behind the water and gummy bear chemical reaction and has activity sheets and videos.  They show you how to grow gummy bears to double their size.

Good for ages 4 and up.

Get the instructions here:
http://asurvivalguidetomiddleschool.blogspot.com/2011/10/yummy-gummy-bears.html

We made that uses worms instead of bears.

Get the instructions here:
http://we-made-that.com/gummy-worm-experiment/

Decomposing Apple Science Experiment

Science sparks has a fun way for kids to learn about the decay process. Using apples, vinegar, lemon juice and salt water kids can compare how certain chemicals can affect food and speed up and slow down the process.

Good for ages 3 and up.

Get the instructions here:
http://www.science-sparks.com/2012/03/05/rotting-apples/