Vocab 1
A solution containing a lot of solute
What is concentrated?
A solution containing a little solute
What is a dilute?
Darker solutions have a _________ concentration.
What is higher?
The most common gas in the air.
What is nitrogen?
Too much carbon dioxide is _________ to humans
What is toxic?
Something that goes up but never comes down.
What is your age?
The ratio of solute to solvent in a solution
What is concentration?
The comparison of 2 (or more) parts of a whole
What is a ratio?
__________ solutions have a lower concentration.
What is diluted?
Nitrogen makes up about _______% of the air
What is 78?
Air pressure is strongest closest to the ___________.
What is ground?
I’m tall when I’m young, and I’m short when I’m old. I am a _____________.
What is a candle?
The process of substances changing to make one or more new substances with different properties from the original ones
What is a chemical reaction?
The average or typical weather conditions in a region of the world
What is climate?
Adding more ____________ to a solution makes the concentration higher.
What is solute?
Oxygen makes up about ______% of the air.
What is 21?
Clouds are made of condensed _____________.
What is water vapor?
Something that has to be broken before you can use it.
What is an egg?
A gas, such as carbon dioxide, that contributes to the warming of the atmosphere
What is a greenhouse gas?
The preserved remains of organisms that lived long ago and changed into oil, coal, and natural gas
What are fossil fuels?
Adding more _____________ to a solution makes the concentration lower.
What is solvent?
Other gases like carbon dioxide and water vapor make up _____% of the air.
What is 1?
When you climb a mountain, air pressure is getting _________.
What is lower?
The month of the year that has 28 days.
What is pressure?
To reduce in volume by applying pressure
What is compress?
Particles in a liquid are always ___________.
What is moving?
Below 30 meters in the ocean, the pressure makes nitrogen toxic for humans. To fix this problem, divers mix oxygen with ___________ so they can dive deeper than 30 meters.
What is helium?
High in the atmosphere (about 340 km above Earth's surface), the air is 28% oxygen and 71% __________.
What is helium?
Something that has many keys but can’t open a single lock.
What is a piano?