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1. Babies have around 100 more bones than adults.
2. The Eiffel Tower can be 15 cm taller during the summer.
3. 20% of Earth's oxygen is produced by the Amazon Rainforest.
4.Some metals are so reactive that they explode on contact with water.
5. Hawaii moves 7.5cm closer to Alaska every year.

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MATERIELS: a plastic bottle,
Food coloring,
A fizzy tablet
Vegetable oil,
Water.
METHOD: * Fill your bottle one quarter way full.
* pour your oil in so that your bottle is nearly full
* Wait until the oil and water have separated
*Add a few drops of food coloring and see the drops fall through the oil
* Drop your tablet in in small pieces
* Watch the tablet dissolve and send oil bubbles floating up.
* OBSERVE!!
RESULT:You should now see the reaction of oil vs water. It should have water bubbles through the oil. The reason for this is that oil is hydrophobic which means it does it does not mix with water. Unlike food coloring or other substances alike. Anyway, now you have your very own lava lamp!

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ou add the fizzing tablet it sank to the bottom and dissol

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What you will need:
1. Baking Soda
2. Vinegar
3. Dish soap (optional)
4. A volcano shape ( I cut half of a plastic bottle, covered it with brown tape and turned the lid upside down and stuck it at the top).
Method:
Step 1. Pour a teaspoon full of baking soda (It shouldn't fall down because the lid should be upside down, blocking it).
Step 2. Add dish soap. (The dish soap make it fizzier).
Step 3. Add vinegar. (If you want a huge explosion, add a lot of vinegar).
Step 4. Watch your volcano explode!!!
Why this happens?
Well the sodium bicarbonate (baking soda) is the base while the vinegar is the acid. When they react together, the make carbonic acid which is unstable and it forms fizzing.

Thank you!!!

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Materials:

A clean 1 liter clear bottle

3/4 cup of water

Vegetable Oil

Fizzing tablets (such as Alka Seltzer)

Food coloring                                                    Method:

Pour the water into the bottle

Fill the bottle the rest of the way using the vegetable oil (you might have to wait a few seconds for the oil and the water to separate

Add 10 drops of food colouring (The food colouring should go through the oil and mix into the water below)

Break a fizzing tablet in half and drop the half tablet into the bottle (It will sink to the bottom and start to fizz)

To  keep the effect going,  add another tablet piece

Explanation and result

First the oil stays above the water because the oil is lighter than the water or less dense than water.  The structures of the two molecules do not allow them to bond together.  When you added the tablet piece, it sank to the bottom and started dissolving and creating a gas. As the gas bubbles rose, they took some of the colored water with them. When it reached the top, the gas escaped and down went the water.

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Oobleck – The Cornstarch And Water Experiment

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Oobleck – The Cornstarch And Water Experiment

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Materials
•Cornstarch
•1/2 cup of Water

•Food coloring(optional)
•2 Large bowls
(Remember to roll up your sleeves before anything)

Method:
First take the one of the bowls and fill it with cornstarch. Next take the second bowl and fill it with water. (If you are using food coloring you should add it to the water before pouring it into the cornstarch). Now add the water to the cornstarch. Finally put your hands in the bowl and start mixing. If you don't want to you could just use a spoon. After a few seconds of mixing you should be left with oobleck.

Result:
Now grab a hand full of it and role it into a bowl. Then stop and watch it melt between your hands. If this doesn't work add more water and if it is too gooey add more cornstarch. Try not to splash it all over the furniture (especially fabrics). If the oobleck is all over the table just warm water would do the job.
By Zamzam
THANK YOU FOR READING!😊😊😊😊📚📔📗📕📘📓📙📒📖📖📖📖📖📖

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What you will need:
A clear drinking glass
1/4 cup vegetable oil
1 teaspoon salt
Water
Food coloring (optional)
What to do:
Fill the glass about 3/4 full of water
Add about 5 drops of food coloring- I like red for the lava look.
Slowly pour the vegtable oil into the glass. See how the oil floats on top- its cool but it gets better.
Now the fun part:
Sprinkle the salt on top of the oil.
Whatch blobs of lava move up and down in your glass!
If you liked that, add another teaspoon of salt to keep the effect going.
How does it work:
So whats going on?
Of course, its not real lava but it does look a bit like a lava lamp.
First of all, the oil floats on top of the water because it is lighter than the water.
Since the salt is heavier than oil, it sinks down into the water and takes some oil with it, but then the salt dissolves and back up goes the oil! Pretty cool. And that is the expierement i wrote about!!

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three glasses
x2 tissues
water
x2 food dyes (your choice)

method:
get your glasses and fill them up half way with your water. when your glasses are half full with water put a different color in two of the glasses do not put anything in the third glass. if you don't have five different colors mix some primary colors together and they will make some sort of color. when the food coloring is mixed in put them in a row. get your tissue and fold them in half. place one side of each tissue in to the colored water. wait two hours.your water should have transferred from your two glasses to the glass in the middle

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What you will need:
2 packets of skittles
1/4 cup of warm water
white plate
Method:
1. Place the skittles in a single row around the edge of the plate.
2. Pour over enough warm water to cover all the skittles and the plate.
3. Watch and wait as the rainbow appears on the plate. The colours will move towards the middle of the plate and create whirls of colour.
Why do the colours spread?
The colours spread because skittles are coated in food colouring and sugar. When you pour water over the skittles the coloured coating dissolves spreading through the water.
Thank you for reading my experiment!

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You will need
Two mugs or lab beakers, an aluminium fizzy can, (it may take trial and error to find the right sized can and mug), patience, a drinking straw (optional), a hairdryer is optional
1. Empty the can!
2. Place the empty can in one of the mugs.
3. Line up the other mug alongside.
4. Blow out gently into the space between the can and the wall of the mug.
5. Repeat until you can flip the can so it lands upside down in the other mug.
6. (Prepare to amaze your family with your new party trick)
Method
Does it matter which way the can faces before you start?
Is it better to leave a lot or a little space between the can and the mug? Can you control the distance and direction taken by the can as it flips? What happens if you use a straw to blow the air into the space?
What happens if you blast it with air from a hair dryer?
Would it work with an empty “tin” can?
What is happening?
it is a change of air pressure that allows the can to lift, and it is also what makes it possible for airplanes (also made of aluminium) to fly
By Clodagh

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Ingredients

One small empty plastic soda or water bottle

1/2 cup of vinegar

Small balloon

Baking soda

Funnel or piece of paper

Method

1. Carefully pour the vinegar into the bottle.

2. Loosen up the balloon by stretching it a few times and then use the funnel to fill it a bit more than half way with baking soda. If you don’t have a funnel you can make one using the paper and some tape.

3. Now carefully put the neck of the balloon all the way over the neck of the bottle without letting any baking soda into the bottle.

4. Lift the balloon up so that the baking soda falls from the balloon into the bottle and mixes with the vinegar. Watch the fizz-inflator at work!

Results
The balloon should inflate but how? The baking soda and the vinegar creates an acid-base reaction and the two chemicals work together to create a gas, (carbon dioxide) Gases need a lot of room to spread out and the carbon dioxide starts to fill the bottle, and then moves into the balloon to inflate it.

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Ingredients:
One cup of milk.
Four teaspoons of white vinegar.
A bowl.
A strainer.
And an adult help.

Method:
1. Heat up the milk until it is hot, but not boiling.
2. Carefully pour the milk into the bowl.
3. Add the vinegar to the milk and stir it up with a spoon for about one minute.
4. Now the fun part, pour the milk through the strainer into the sink – careful it may be hot!
Left behind in the strainer is a mass of lumpy blobs.
When it is cool enough, you can rinse the blobs off in water while you press them together .
Now just mold it into a shape and it will harden in a few days.

Conclusion:
Well it turns out it was successful because when I tried to make it, it turned out really well. Well, now, I am just waiting for a few days for it to be hard.

THANK YOU!!!

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Materials:
A clean 1 litre bottle
Food colouring
Fizzing tablets
Vegetable oil
3/4 cup of water
Method:
1.pour the water into the bottle
2.pour vegetable oil into the bottle until it is nearly full
3.wait for the water and vegetable oil to separate
4.add 10 drops of food colouring your choice
5.Break half a fizzing tablet in half and put it into the bottle
6.Now just wait for the lava lamp part
How it works:
The oil stays on top because it is lighter than water.intermolecular polarity makes the water and oil not mix. This happens because water molecules and other water molecules stick together and oil molecules and other oil molecules stick together. The both water molecules and oil molecules don't like eachother  so they don't mix. When you add the fizzing tablet it sank to the bottom and dissolved. When it dissolved it created a gas and as the gas bubbles rose it took the coloured water with it.when the blob of water reached the top it

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Materials:
White flower
Water
Food colouring
small vase or glass

Method:
Cut the stem short and on an angle for the best results. Now place the water in a glass. Put the flower into the glass and add a generous amount of food colouring. In about 30 mins some colour should appear in the petals. If you leave it for longer more colour will come into the petals.

Why:
Flowers suck up water through their stems to get the water to the petals. This process is called ‘capillary action’.  Because the water is coloured the petals will end up coloured too!

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Well Done girls, excellent experiments so far!

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Materials:

Three glasses
Blue food dye
Yellow food dye
Water
2x paper towels

Method:

First you need to line up the three glasses beside each other. Fill the first glass with water and then put a generous amount of blue food coloring in it. Leave the middle glass empty. Fill the next glass with water and add a generous amount of food coloring in it. Fold the kitchen towel half length ways and fold it again so it can fit into the glass easily. Place one end into the glass with blue water and place the other end in the empty glass. Make sure that one end is touching the water. Get the next kitchen towel and fold it the same as you did with the first one. Place one end into the yellow water and another into the empty glass. Watch and wait. In about 30 minutes the water will start creeping up the kitchen towel and end up in the empty bowl after two hours.

Why?

This is called capillary action. This is how flowers and plants move water from beneath them up through their stems and into their petals and leaves

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Things you will need:
Half a lemon
White paper
Cotton bud
Lightbulb or lamp
Bowl
Spoon
Water
Method:
Squeeze the lemon juice into the bowl and add a few drops of water
Mix the  lemon juice and water well with a spoon
Dip the cotton bud into the mixture and write a message on the white paper
Wait for the juice to dry so it is completely invisible
If you hold the light close the paper, the secret message will be “ magically “ revealed!
Why:
Lemon juice is a substance that turns brown when heated.Diluting the lemon juice with water makes it nearly invisible when applied on paper.Nobody will be aware that the lemon juice is there until heated by the light. Then it will seem like magic when you reveal it to your friends!

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Material:
Vinegar and baking soda raisins or sparkling water and 1 glass of water
Method:
Put the vinegar and baking soda in the glass then put the raisins in .
Conclusion:
The vinegar crackles and then it causes the raisers to dance and baking soda causes it to float .
It should turn out that the raisins start to dance .

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My own science experiment.By Summer.Skittles with vinegar

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My own science experiment.By Summer.Skittles with vinegar

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Ingredients:
Skittles
Vinegar

Materials:
A plate/bowl
Skittles
Vinegar.

Method:
First put your Skittles around a plate/bowl. Then pour half a glass of vinegar in the centre. WAIT

Results:
Well turns out first when you put your vinegar on the Skittles it bubbles up like a volcano. Then it turns into a rainbow but a bubbly rainbow.

This is an easy experiment you can try and all you need is Skittles and vinegar. One thing don,t eat the Skittles after. Thank you for watching

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Ingredients:
1/2 cup of PVA glue
1/4 cup of water
Baking soda
Contact lense solution
Food coloring
Glitter
Bowl
Spoon

Method:
First put 1/2 a cup of PVA glue into your bowl
Then stir in a 1/4 cup of water
When that is all stirred in add your choice of food coloring
Then in a separate bowl stir a tablespoon of baking soda with a 1/4 cup of contact lense solution
Mix the contents of both bowls together
Knead the slime until it is no longer sticky
If you want, you can add glitter

Conclusion:
PVA stands for polyvinyl alcohol
There is a chemical in the contact lense solution called sodium borate
They both mix together and have a chemical reaction to form slime

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http://www.sfi.ie/__uuid/bb32156f-8351-44f5-8896-92c5c3b88cee/index.xml

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https://sciencebob.com/category/experiments/

http://www.kidspot.com.au/things-to-do/collection/science-experiments

http://www.parenting.com/gallery/easy-science-fair-projects-kids

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http://www.sfi.ie/

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http://www.primaryscience.ie/science_week_2017.php

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Teachers and students upload photos, documents and videos to actitvity gallery - Discover Primary Science, DPS, Ireland.