Is it true that parts of your tongue can only taste sweet, other parts can only taste sour, etc?
No! Your whole tongue can taste just about the same.
100
Is ice more dense than water?
NO! Ice floats! Ice being less dense than water is what allows for life to continue in the oceans during winter.
100
Why did the glue get all clumpy and slime like when the borax was added?
The borax tangled up the glue like a string (since glue is basically made up of microscopic strings)
100
What is lava called when it is still deep below the Earth's crust?
Magma
100
In which High School Musical movie does Troy Bolton sing Bet On It?
High School Musical 2
200
What type of things need food?
Living things.
200
What does salt do to ice?
It melts it and makes it colder.
200
What three colors do computers use to make all the colors we see on our screens?
Red, green, and blue
200
What is the name of Earth's oldest volcano?
Stromboli
200
What percentage of women are in the STEM workforce?
24% (will accept a range of 20%-30%)
300
Can people who can't smell still taste?
Yes!
300
DOUBLE JEOPARDY: What about the structure of ice makes it less dense than water?
It expands into a crystalline structure than is bigger in volume in comparison to liquid water molecules which just slide over each other. (visual with volunteers)
300
Why does salt and sugar mix with water but not oil?
Oil is hydrophobic (water fearing) and salt/sugar are hydrophilic (water loving), bully metaphor
300
How were the Hawaiian islands formed?
From volcanoes and moving tectonic plates
300
Complete the lyric: I've got gadgets and gizmos a-plenty
I've got whozits and whatzits galore
You want things of above?
I've got twenty!
But who cares?
No big deal
I want more
I wanna be where the people are
I wanna see, wanna see them dancing'
Walking around on those - what do you call 'em?
Oh - feet!
400
What foods groups do you need to eat from daily, according to Michelle Obama?
Fruits, vegetables, grains, proteins, and dairy
400
Why did the string stick to the ice when salt was sprinkled?
A little water on top melted, but since it was at such a low temperature and there was still a lot of ice, it refroze with the string
400
Why can bugs skate on water?
Water has surface tension!
400
What happens to ice when lava is poured on it?
Turns directly into steam and gets all bubbly.
400
How are chemistry and baking related?
Need to measure ingredients/reactants out precisely and combine them at the right time.
500
What are carbohydrate?
Sugars
500
Why was the bag of salt and ice able to freeze the milk/juice when we were making ice cream?
Salt melts the ice and lowers the temperature of the ice to below the freezing point!
500
What does yeast do to hydrogen peroxide?
Acts as a catalyst and breaks it down into gas. (bonus for 100 pts: exothermic reaction!)
500
Why do some volcanoes spurt out and others ooze? (Hint: learned this from Bill Nye!)
Some volcanoes formed when a plate is pushed into the deeper layers of earth by another plate in the ocean, water from the ocean produces steam which bubbles/causes pressure so the volcano explodes!