This refreshing compound is known by the formula H2O
What is Water
The term for a physical change in which a substance changes from a solid to a liquid as a result of added heat?
What is Melting?
This type of chemical reaction occurs when a substance combines with oxygen, often producing heat and light.
What is Combustion?
Yeast, a common ingredient in baked goods acts as a catalyst causing these chocolate chip treats to rise.
What are Cookies?
The term for the energy that results from the movement of particles in a substance and is responsible for making objects feel warm or hot?
What is Thermal Energy?
This gas with the chemical formula CO2 is responsible for the fizz
What is Carbon Dioxide?
When water freezes and turns into ice, what type of physical change is occurring? Buurrrrrr.
What is Freezing?
In a chemical reaction, the substances that you start with are called what?
What are Reactants?
This delicious treat involves ingredients such as eggs, sugar, and butter together, a chemical reaction traps air, making the mixture fluffy and light.
What is a Cake?
Combustion happens in this mechanical machine every time the key is turned.
What is an Engine?
Table salt's chemical formula is this, also known as Sodium Chloride.
NaCl
What is the physical change in which a liquid becomes a gas, often due to heating, and forms bubbles or vapor?
What is Evaporation or Boiling?
In a chemical equation, what are the substances formed as a result of the reaction?
What are Products?
When you heat sugar, it undergoes a transformation, turning from a solid into a liquid that later hardens as it cools. What is this sweet substance?
What is Caramel
These types of reactions involve heat being created, or exiting.
What is Exothermic?
This colorless, odorless gas, with the chemical formula O2, is essential for respiration and combustion.
What is Oxygen?
When you crumple a piece of paper or bend a metal spoon, what type of physical change is taking place?
What is "Deformation" or "Bending"?
This term refers to the minimum amount of energy required to initiate or start the reaction.
What is Activation Energy?
This beverage is not a chemical reaction but a mixture of milk and cocoa powder.
What is chocolate milk?
Convection is what causes a pot of hot water to do this.
What is Evaporate?
This chemical element, with the symbol Au, is commonly used to make jewelry.
What is Gold?
Substances like dry ice do this, the process by which a solid transitions to a gas, resulting in a smokey effect.
What is Sublimation?
The name for a substance that speeds up a chemical reaction by lowering the activation energy
What is a Catalyst
Often mistaken as a chemical reaction, you would be surprised to find out that a physical change is taking place when mentos and this famous soda combine.
What is Coke a Cola?
When you feel the warmth from the sun's rays on your skin it is because of this method of heat transfer. The same is used in microwaves.
What is Radiation?