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Fun science you can do together from the comfort of your home
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  • Just because you can't come to the science centre to have fun, doesn't mean you can't have a great time experimenting together at home. Science is EVERYWHERE -- even in your kitchen!

    Check out these exciting DIY science experiments you can try, using household items:

From the Comfort of Your Home!

All Ages

Included with Science Centre Admission

From the Comfort of Your Home!

All Ages

Included with Science Centre Admission

From the Comfort of Your Home!

All Ages

Included with Science Centre Admission

Watch the fish at TELUS World of Science - Edmonton

Are you able to spot any of these fish in our tank?

1) Clown Fish = “Buddy”

2) Yellow Tang = “Tank”

3) Spiny Urchin = “Dinglehopper”

4) Half-red/half-orange dish = “Onion”

DIY Science Experiments

Imploding Can

In this experiment you will learn about air compression.

What you need:

- An empty aluminum can

- Large bowl of ice water

- A pair of tongs

- Stove

What you do:

With the help of an adult, fill the can with 4 tablespoons of water. Next, heat the can on the stove until the water inside starts to boil (or until you can see steam escape the mouth of the can). When it's hot enough, use the tongs to pick up the can and submerge it upside down into the ice water (mouth down) and watch the can implode!

Bouncy Egg

In this experiment you will learn about membranes.

What you need:

- Vinegar

- Raw Egg

- Cup

What you do:

With the help of an adult, put the egg carefully into the cup. Be careful not to break the egg! Fill the cup with vinegar until the egg is completely submerged. Next, let the cup with the egg and vinegar sit for 24 hours -- this experiment requires patience! After 24 hours, remove the egg from the cup. You'll notice the shell will rub off the egg. You can even wash it off under water until the egg is translucent. Examine the egg. You’ll notice that is feels rubbery (like a bouncy ball). What is left of the egg is the soft membrane. Now... lift the egg 1-2 inches in the air, let go and watch it bounce!

Try this: Shine a light on the egg. What are your observations?

Invisible Ink

See how oxidization can reveal secret messages.

What you need:

- Lemon

- Water

- Cotton Swab

- Paper

- Lightbulb

What you do:

- Squeeze lemon juice into a bowl and add a few drops of water.
- Dip a cotton swab into the mixture and write a message onto a piece of white paper.
- Wait for the juice to dry so it becomes completely invisible.
- When you are ready to read your secret message or show it to someone else, heat the paper by holding it close to a light bulb.

*An adult should always help with this step and proper safety should be observed.

DIY Science Experiments

Poking holes in plastic

Fill a plastic bag about half full of water. Stand over the sink! Take a sharp pencil and give it a deliberate push so it pierces both sides of the bag. The bag remains sealed! You can keep adding pencils and the bag will stay sealed. (Don’t be too violent, as that usually creates a larger tear.). The polyethylene molecules are long and springy and will easily keep the bag tightly wrapped around the pencils when they pass through. There is just enough natural stretch to keep the bag watertight, as long as you are careful when pushing the sharp pencil through!

You need:

One zip-close polyethylene bag (Ziploc is one brand), half full of water and zipped shut

A couple of sharp pencils

Just to be safe, a sink

Dancing popcorn

Fill a transparent glass with a clear carbonated beverage, like club soda. The bubbles in carbonated drinks are bubbles of carbon dioxide gas, and the bubbles like to form on surfaces, like the side of the glass or any object inside the liquid. Drop in about ten popcorn kernels. They quickly sink to the bottom. They also start to accumulate bubbles! When an individual kernel accumulates enough bubbles, it becomes buoyant and rises to the top of the glass. At the top, the bubble pop, the kernel can no longer float, and it sinks back to the bottom. And the cycle repeats, often for longer than half an hour!

You need:

Unpopped popcorn kernels

A clear carbonated beverage, like club soda

A clear glass

Candle magic

Please be careful with this one – open flame!!

Light a candle and let it burn for a minute. Have a lit match or lighter ready. Blow out the candle and quickly bring the flame of the lighter close to the hot wick. The candle will re-ignite without touching the wick. The candle should easily light when the flame is about 5 mm above the hot wick! That’s because the flame of the candle is primarily burning the invisible wax vapour from the melting candle!

You need:

A lit candle

Matches or a lighter

More DIY Science Experiments

Coat Hanger Gong Show

Sound needs a medium to pass through. It requires substance to vibrate and propagate the sound. Not surprisingly, different substances propagate sound differently. The way we hear a sound depends very much on the matter through which it is passed.

One of the reasons our own voices sound different to us when recorded is that we are used to hearing our voice propagated through the bone and flesh of our skull (ick). But it sounds a little different when propagated through air. But air is the medium we’re used to. And actually, it is not that great a medium. Sound loses a lot of power and scope when it moves through air.

A wire coat hanger banged against a surface sounds unimpressive when the sound passes through air, but sounds like a highly resonant gong when the sound passes through the hanger, the string, and your fingers. Try it!

What you need:

A wire coat hanger

About 1 metre of string

Two fingers and two ears

Science Experiments

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