Make a chart with pictures of which ones sink or float.
What object can can hold the most things before it sinks?
Can you make something that sinks float?
Put something that sinks on top of something that floats.
Example: Penny on a sponge.
Place 1/4 cup salt in two cups water.
Place two cups water in an equal container.
Submerge a plastic spoon in each container.
Do they float? Note! If the spoons are not submerged they will both float.

Bubbles: Make water and air bubbles.
3/4 liquid soap
1/4 cup glycerine (from drugstore)
2 quarts water.

Place mixed solution in a shallow pan and let children
place the bubbles makers in the solution.
Make bubble makers from plastic six-pack holders, straws,
funnels or pipe cleaners.

Make Rainbows: Use a garden hose to spray into
the sun. The rays of the sun contain all the colors mixed
together. The water acts as a prism and separates the water
into colors creating a rainbow.

Plant Seeds: Use small plastic drinking cups.
Punch holes in the bottom for drainage.
I always fill a large tub with potting soil and let kids
fill their own cups. Plant marigold or other seeds.

With leftover dirt let kids spray water until they have a good
mix of mud. Make mud pies.
Keep the mud when they done and move it outside in the sun.
Allow it to dry out and give kids tools to break it up.
Discuss evaporation.

Iced Tea: Fill a clear glass with ice cubes.
Boil a cup of water. Add a tea bag to hot water.
Pour hot tea over ice. What happens to the ice cubes?
Is the tea still hot? Why?

Wet and Dry: Compare objects that are wet and dry.
Leaves, cloth, paper and soil.
Are wet things darker than dry things?
Does the shape change?
Is the texture different? Feel them.
Wet objects are usually heavier and sometimes smell
different like wool.
Experiment with paper towels, waxed paper, newspapers,
magazine paper, and aluminum foil.
Which one cleans up a spill better? Why?

Discuss things we do not want to dry up such as paint,
playdough, some foods. How do we keep them moist?

Sun's Heat: Explain that the sun is a source of heat.
Experiments: Place a metal object in the sun and one in the shade.
After a few moments feel of them. The one in the sun has absorbed the sun's heat.

Place a metal baseball bat and a wooden one both in the sun.
Which one is warmer? Why?
Explain that some materials absorb more heat than others.

Heat Absorption: Use two bowls 1/2 full
of water. Add yellow food color to one and all the food colors
mixed to make black in the other bowl. Add a thermometer
to each bowl and cover with plastic wrap. Set the bowls out in the sun.

Which bowl do you think will be warmer? Why?
Discuss how dark colors absorb the sun's heat better than lighter ones.

Bee Pollen: Use cottonballs and go outside to collect bee pollen.
Discuss how the cottonball is like a bee. It collects pollen
and returns it to the bee hive where it is mixed with honey and fed to the baby bees.

Root Growth: Use an empty clear peanut butter jar.
Add some wet paper towels wadded up. Slip some bean seeds down along
the sides. Let kids take turns misting the paper towels daily.
When the beans sprout they can watch root development.

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