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Cheryl Wess asks

Why when you make lollypops do you have to boil the ingredients to 300 degrees for it to harden?

D. Ripley from Ontario asks

Why is milk sometimes referred to as being a homogeneous mixture, while at other times it is said...

Anonymous from Vancouver, BC asks

Why is the golden ratio considered aesthetically pleasing? In other words, what are the...

Alain Goulnik asks

I have 2 parents and 4 grandparents (that's 2 generations). If I calculate the number of my...

Eric Leclair from Ottawa asks

In the past, I have used Vinegar to kill unwanted weeds along walkways, around the patio, etc......

Donald W. Owens asks

Can you explain the formula for computing the hydrogen burning lifetime of a star with 15 solar...

Stephen Venneman asks

Could you explain what the fourth dimension is, exactly? Upon looking at an example put up by...

Stuart Wills from Brisbane asks

I am curious as to how much electricity over given periods of time (instantly to say a 10 seconds)...

KC from San Jose asks

When using invisible inks, why does the organic substances (like milk) in the writing burn more...

Sherry asks

Do all meteorologists have to work shift work before they can go on and do other things? How do you...

Andrew Brown from New york asks

What does the word enzyme mean and how does it work in laundry detergent?

Ben Marengo from Manchester, England! asks

Why does a sperm in the female reproductive system not get attacked? It has foreign antigens, which...

Frieda Trowbridge from Central Butte, Sask asks

Could you tell me the symptoms when given either thalium or strychnine?

Linda from Toronto asks

I have heard that the papiloma virus could be transmitted not only through sex but just by a...

chris from Saint John asks

Boron trifluoride (BF3) is non-polar, yet is much more soluble in a polar tetrhydrofuran (THF) than...

Chris Shipman asks

Do scientists have a method of breaking CO2 down to oxygen and carbon? If so, would this be more...

James Horwood from Vancouver asks

How can I determine the size and configuration of magnets required to hold together two 500gm...

Talha asks

What is electrical engineering? What is the difference between electrical engineering and...

Anonymous from the Internet asks

Do all pencil lead erase the same? Why or why not? Which pencil lead erases the best?

Brittany Tardif from Cornwall asks

We weren't allowed to put in a permanent dock because it affected the ecosystem. Can you please...

Erin Price asks

How can I demonstrate the relationship between magnetism and organisms?

Tyler from Suwanee, Georgia asks

Why did humans develop pubic hair (facial, under arm, etc.)? And also why does the male voice...

Joey Bergen asks

Do permanent magnets lose their strength when they are dropped and if so, why? I took two magnets...

Stephanie from Vancouver asks

Where can I find the degree day calculations for different regions in British Columbia and Alberta...

Sara J asks

What causes a human embryo heart to begin beating? And when a cell divides does it "spark"?

Elizabeth from Los Angeles, CA asks

I'm doing a science report on Arsenic and i was wondering do you know what is the meaning of the...

Bertha Rodriguez asks

How is Chemistry involved in the field of Psychology?

Gareth Cook asks

How do "security tags" in shops work? I'm referring to the white plastic, bar-coded tags containing...

Linda Horsman from Gibsons, BC asks

What is the cause of static electricity? Also, I'm doing research for a book and I wanted to know...

John asks

How can I determine the specific gravity of a small rock? I have a very accurate digital scale, but...

Devin Steele from Pooler asks

This is an archery question. Does an arrow fly faster in the hot or cold? or... Does the hot or...

Anonymous asks

What is the linear function of a circumference of circle to its diameter? I know the ratio is equal...

Sara J Shaw from Northwood, NH asks

I have aplastic anemia, and from what I understand, my T-cells are destroying the stem cells from...

Philip Newman asks

How and where is aluminum made?

JWMS Science Class from Winchester asks

We are studying the electromagnetic spectrum. We have a question. Can you speed up radio waves? If...

Mark Bodnar from Abilene, Texas, U.S.A. asks

Can you help me find a simple definition of "inertial coupling" (if there is a simple definition)....

thooyaa from Charleston asks

My friend and I are doing a science fair project and we wanted to know which gender will remember a...

Barbara Lynn Terry from Milwaukee asks

I understand that there is a hormone in the brain that regulates and controls sexuality. Is this...

Willi Luke asks

I am currently doing research on the e-bow, a guitar effect that calls upon an infinite feedback...

Anonymous asks

How can I create a real light saber? It does not have to be completely like the ones in the movie...