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100
Gemstones for engagement rings are usually made of these atoms.
What is carbon?
100
This force can cause too much heat between the piston and cylinder wall, causing the pistons to “lock up”.
What is friction?
100
All combustion on a camping trip produces this odorless gas.
What is carbon monoxide?
100
These particles create a charge with their comings and goings.
What are electrons?
100
When asking your parents to change your curfew, you’d like them to have this metallic property.
What is malleable?
200
Wedding bands are this type of metal mixture; otherwise, they’d lose their shape.
What is an alloy?
200
Headlights make the light from their lamps diverge, a property of this type of lens.
What is concave?
200
Boiling water for your coffee is this type of change.
What is a physical change?
200
You get this if an atom loses or gains a proton.
What is a new element?
200
If you come home late, you’d want your parents to be this word that means unreactive.
What is inert?
300
If you take your spouse to a Ferris Wheel after 9 years of marriage, it’s because you probably know it’s called this anniversary.
What is Iron?
300
This tendency is why your body tries to keep moving during a collision.
What is inertia?
300
Daily double!
Need water? You'll need to have these particles in your water for your body's cells to function properly.
300
If you cause an accident with your car, you’d better have this type of insurance.
What is liability?
300
Elements down a group are _________ to each other, much like teens and their siblings.
What is similar or related?
400
Ironically, a marriage that makes it to the Crystal Anniversary of 15 years does not possess this delicate trait.
What is brittleness?
400
Daily double!
Catalytic converters use this precious metal, more valuable than gold, to scrub your exhaust of dangerous fumes.
400
You might wish to hike down with this force rather than up against it.
What is gravity?
400
This has to be spun or turned for electricity to be created.
What is a turbine or magnet?
400
If you steal your sister's cell phone, she'll be this, like sodium into water.
What is reactive or violent or explosive?
500
The Tenth Anniversary is named after this element, which is part of the Anniversary's name.
What is tin?
500
If experimenting with car style (sedan, hatchback, etc) vs gas mileage, this would be a control.
What is __________.
500
Dirty water is separated by filtration, which relies on this property of the water's particles.
What is size?
500
This property determines if something floats or sinks.
What is density?
500
Twins usually are very close and have a _____, similar to a chemical one.
What is a bond?