3 Bowls

1 raw potato

Water

1 tablespoon of salt

Knife

1 tablespoon of sugar

1 plain sheet of white paper

1 drop of cooking oil

meterstick

a 200-watt light bulb and lamp that can be used with such a light bulb

outdoor area with an electrical outlet

pencil ✎ 1 sheet lined paper

fruits

plastic bag

Dish degent

water

2 plastic cups

Coffe filter

Rubbing alchol

Coffee stirrer

A rope

Lego blocks

A ring

A timer

Tape

Dirty Water

Cotton

Paper Towel

Potting Soil

Sand

Any other natural materials you want to test

2 Transparent Cups (One with holes on the bottom)

Cut the potato lengthwise until you have a few pieces that have 3 flat sides

Fill all bowls with water.

Add the salt to one of the bowls and sugar to the other.

Place three of the potato pieces in the water-only bowl and put it in the sugar water.

Put the last potato piece to the salt water.

Allow the potatoes to soak for 20 minutes.

TAKE THE HORSESHOE MAGNET, AND 5 SMALL MAGNETIC OBJECT.

PUT THE HORSESHOE MAGNET TO REFRIGERATOR, AND LEFT THEM FOR 10 MINUTES.

AND SEE MAGNET CAN HOLD HOW MANY MAGNETIC OBJECTS.

TAKE THE COAT FROM MY CUBBY.

PUT ANOTHER MAGNET IN MY COAT(THAT HAS HOT PACK), AND LEAVE THEM OUTDOOR FOR 10 MINUTES.

AND ALSO SEE HORSESHOE MAGNET CAN HOLD HOW MANY MAGNETIC OBJECTS.

NOTE THEM.

FIND THE DIFFERENCE BETWEEN COLD ONE AND HOT ONE.

SEE WHAT ONE IS STRONGER!

A glass filled with water

1 grape of peeled one

1 grape of non-peeled one

1 banana of peeled one

1 banana of non-peeled one

1 peeled tangerine

1 Just tangerine

Big glass jar

Banana

water

Grab one of the peeled grape and non-peeled grape.

Put them inside the water in once.

Wait for 3 minutes(For the grape to go their place).

Compare between the peeled grape and non-peeled grape.

Slice the potato lengthwise with 2 flat sides

Fill all bowls with water

Add salt for one ball, sugar for another and soap powder for the other.

Put 2 sliced potatoes for each bowl

Let the potatoes soak for 20 minutes

See what happened to the osmosis

Take off the stem

Seal the fruit in a zip-lock bag

Crush the strawberries

mix together 2 teaspoons of detergent, 1 teaspoon of salt and 1/2 cup of water. (DNA extraction liquid)

Add two teaspoons of your DNA extraction liquid to the bag of strawberries

Reseal the bag

gently smash for another minute (avoid making too many soap bubbles).

Place the coffee filter inside the other plastic cup.

Open the bag and pour the strawberry liquid into the filter.

twist the filter just above the liquid

gently squeeze the remaining liquid into the cup.

pour down the side of the cup an equal amount of cold rubbing alcohol as there is strawberry liquid. Do not mix or stir.

isolated the DNA from the rest of the material contained in the cells of the strawberry.

Tilt the cup and pick up the DNA using a plastic coffee stirrer or wooden stick.

follow again with the vegetable

Water

Cotton

Potting soil

sand

rocks

wood / sticks

2 transparent cups ( one with holes on the bottom )

Pour the water in the jar.

Drop JUST one fine tangerine in the water.

Write about what happened to tangerine.

Drop peeled tangerine into the water.

Write about what happened to peeled tangerine.

Try other fruits by same way.

1 test tube

1 straight drinking straw

½ cup crushed ice

1 thermometer

2 teaspoons of salt

1 plastic cup

¼ cup water

make holes in one cup

put cotton on the bottom of the cup with the hole.

Prepare mixture with soil and 3 cups of water.

Position pot over empty glass jar, then Position pour 1 cup of dirty water pour over sand in pot.

Let water Let drain through sand and cotton filter into glass jar.

Observe any differences between water and the filtered water.

repeat with other materials

dispose all of the natural materials.

Clean up any spills with paper towels.

Put the ring in the rope.

Fix the rope where you want.(But you have to fix it High to low)

Connect the ring with one lego block.

Grab the timer and start it when the ring start to fall.

See how much time does it take the ring to get to the other side.

Connect more lego blocks to the ring and do it again.

See what goes the fastest.

LEGO bricks

LEGO minifigure

piece of thick string

timer

Place the cotton on the bottom of the cup with holes.

Put potting soil on top of the cotton.

Position the other cup (cup without holes) under the cup with holes.

Pour the dirty water on the sand and let it drain down to the bottom cup.

Observe and record what happened. Did the water get cleaner?

Repeat steps 1-5 with different natural materials and try some combinations. Ex) Rock + Cotton + Sand, etc...

Dispose of natural materials and water outdoors when you are finished.

Clean up any mess you made with paper towels.

string

Something that can make a hole in a cup

big paper cup, and small paper cup

water