Measurement Basics
Changing States
Chemical Energy
States of Matter
Experiment Reviews
100
Measurement of the force of gravity on an object. Measured with a scale!
What is the weight?
100
The act of changing the state of matter; a reversible change in state
What is physical change?
100
Light energy is called what? Don't overthink this...I just said it.
What is light?
100
A group of atoms that have a fixed shape and a fixed volume.
What is a solid?
100
Mentos in the soda made a solid and a liquid and turned it into what?
What is a gas? Will also accept the answer of a big mess.
200
The amount of space that an object takes up.
What is volume?
200
The temperature at which solids turn into liquids.
What is the melting point.
200
Thermal energy is also called what?
What is heat?
200
A group of atoms with a fixed volume, but changes shape with the shape of the container.
What is a liquid?
200
Putting water in the freezer transitions water from what state of matter. ____ to _____.
What is liquid to solid.
300
The amount of atoms found in an object, based on volume. How tightly packed the atoms are.
What is the density?
300
The temperature at which liquids turn into solids.
What is the freezing point?
300
A chemical reaction in which elements inside wood combine with oxygen to form ashes and smoke.
What is burning?
300
A group of atoms that have no fixed volume or shape.
What is a gas?
300
For the supercooled soda experiment, why did the ice begin to form when you opened the top?
What is the pressure let up, allowing the ice to begin the form?
400
A force that pulls objects towards each other.
What is gravity?
400
The process by which a gas turns into a liquid. You find it on the sides of a cold glass.
What is condensation?
400
A chemical reaction where thermal energy is absorbed by the new form of matter.
What is an endothermic reaction?
400
The measurement of the activity (how much motion) in a group of atoms. More activity = higher ____.
What is temperature?
400
For the water bottle rocket experiments, did the liquid or the gas open the top?
What is the gas?
500
The basic metric measurement of weight and mass.
What is a gram?
500
The process by which a liquid turns into a gas. Think clouds....
What is vaporization?
500
A chemical reaction where thermal energy is being released by the new form of matter.
What is an exothermic reaction?
500
The measurement of how hard atoms of gas push on the walls of its container. Too much and the balloon will pop...
What is pressure?
500
For the colorful pack experiment. The color, temperature, and volume changes are indications that what is taking place.
What are chemical reactions. Also physical changes is a correct answer.
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