Elements
This molecule is made of 2 hydrogen atoms & 1 oxygen atom
Water
Ethan & Nayeli are playing eye spy. Ethan says he spies something that is in the state of matter where molecules vibrate in place. The state of matter he's talking about is...
A Solid
When a substance goes from a liquid to a solid that is called
Freezing
Physical
What is the formula to calculate density?
D = M/V
Gases do not have a set _______ or _______.
Volume or shape
Two or more atoms chemically bonded together is known as a...
Molecule
If a solid piece of ice has heat added to it, it will turn into a _______ then a gas.
When water vapor (gas) in the air is cooled and becomes water droplets, this is known as...
Condensation
Rafael mixes ingredients together & bakes them in the oven to make a cake
Chemical
Why would you weigh more on Jupiter than on earth?
Jupiter has more gravity because it is larger.
True or false--a gas spreads out to fill its container
True
Is a bowl of mixed nuts a heterogenous or homogenous mixture?
Heterogeneous
Dry ice goes from a solid to a gas without becoming a liquid. This is known as...
Sublimation
Valentina sees a puddle in her driveway in the morning. Later, it was gone! What happened to it?
It evaporated
Saimi burns some logs in a campfire.
Chemical
True or false: You can figure out if something is real gold by calculating its density.
True
If Yana leaves a volleyball sitting in the hot sun, will the volume of the gas inside increase or decrease?
Increase
The chemical formula for carbon dioxide is...
CO2
This 4th state of matter is what the sun & lightning are made of
Plasma
On earth, Sally has a mass of 48kg. When she goes to the moon, what will her mass be?
48 kg
Maisley drops a glass on the floor and it shatters into many pieces.
Physical
To find the volume of an irregularly shaped object, put water into a ________ _____________ and then add your object
Graduated cylinder
True or false: air is a pure substance made of only one type of gas
False
Diamonds & graphite are both made of this one element, just arranged differently.
Carbon
This is an example of a non newtonian fluid, something that acts like both a solid and a liquid
oobleck
If thermal energy is removed from a substance, its molecules will begin to move more slowly or more quickly?
More slowly.
Adina forgets about the container of milk in the fridge & it goes bad
Chemical
Facundo has a rock with a mass of 60g, and a volume of 20CM3. WHat is the density of his rock?
3 g/cm3
Charles law states that _________ of a gas increases, the volume also increases