What is geothermal energy?

Ask an Expert What is geothermal energy? It is being installed as our new school is built. I've had heaps of questions about it.moreWhat is geothermal energy?
Thursday, 02 October 2008Tags: energy, geology, geothermal-energy, askanexpert

What's the difference between hail and snow?

Ask an Expert What's the difference between hail and snow? Aren't they both frozen water?moreWhat's the difference between hail and snow?
Thursday, 18 September 2008Tags: weather, askanexpert

Why are most space objects smooth?

Ask an Expert If objects in space grow bigger as a result of smaller pieces colliding and 'sticking' together, why don't small asteroids look like coco pops?moreWhy are most space objects smooth?
Tuesday, 02 September 2008Tags: astronomy-space, askanexpert

Why is it cooler up in the mountains?

Ask an Expert Why is it cooler up in the mountains though it's closer to the sun and hot air rises?moreWhy is it cooler up in the mountains?
Thursday, 21 August 2008Tags: weather, askanexpert

What should I plant to balance my carbon footprint?

Ask an Expert What plants should I put in my garden to help balance my carbon footprint?moreWhat should I plant to balance my carbon footprint?
Wednesday, 23 July 2008Tags: climate-change, environmental-management, gardening, botany, energy, askanexpert

Are impact craters always circular?

Ask an Expert If meteorites impact the Earth at an angle, why are impact craters always circular and not elliptical?moreAre impact craters always circular?
Thursday, 10 July 2008Tags: astronomy-space, earth-sciences, geology, physics, askanexpert

Why don't we throw rubbish into volcanoes?

Ask an Expert Is there a reason why we don't throw our garbage into the volcanoes around the world? Read the answer and have your say.moreWhy don't we throw rubbish into volcanoes?
Thursday, 26 June 2008Tags: pollution, recycling-and-waste-management, earth-sciences, geology, askanexpert

Is there a salty fresh fruit?

Ask an Expert All of us have tasted fresh fruits: sweet oranges, bitter gourds, sour plums. But is there a salty fresh fruit?moreIs there a salty fresh fruit?
Wednesday, 11 June 2008Tags: food-and-cooking, botany, askanexpert

Did ancient teeth decay?

Ask an Expert Is tooth decay just a modern affliction? Read the answer and have your say.moreDid ancient teeth decay?
Wednesday, 28 May 2008Tags: dental, archaeology, anatomy, askanexpert

What is imagination?

Ask an Expert Why do some people have the abilty to vividy picture things in their mind whereas others can't.moreWhat is imagination?
Wednesday, 28 May 2008Tags: doctors-and-medical-professionals, mental-health, anatomy, university-of-melbourne-3010, askanexpert