Types of Reactions
This type of reaction gives off heat to its surroundings.
Exothermic reaction
What causes oil to float on/separate from water?
Lower density
What lab equipment is used to protect your eyes?
Safety Glasses
What force must a rocket overcome to launch into space?
Gravity
What ingredients are used to make Oobleck?
Cornstarch and water
This type of reaction absorbs heat from its surroundings.
Endothermic reaction
What causes boats to stay afloat?
Buoyancy
What lab equipment is used to transfer small amounts of liquids?
Pipette
Where is fuel held in a rocket?
Fuselage
What was the purpose of titration in the iodine and orange juice experiment?
To find the concentration of a solution (in this case, vitamin C)
While baking soda and vinegar is a chemical reaction, yeast and sugar is a _________ reaction.
Biological (fermentation)
What tells you how much solute is dissolved in a solvent?
Concentration
What lab equipment is used to hold, mix, and heat liquids?
Beaker
What are the four types of volcanoes?
Shield
Stratovolcano
Submarine
Cinder cone
What type of solution contains more dissolved solute than normally possible? (Think saturation)
Supersaturated solution
This reaction breaks one compound into two or more simpler substances.
Decomposition
Non-newtonian fluids have a changing __________.
Viscosity
What lab equipment is used to pour liwuids or powders into containers without splilling?
Funnel
What part of a rocket carries people or cargo?
Payload
What change of state turns a solid directly into a gas? (Like in our dry ice bubble experiment)
Sublimation
This reaction combines two or more substances to make a single product.
Synthesis
What does glycerin strengthen in a bubble?
Surface tension
What lab equipment is used to measure the volume of liquids accurately? (2 words)
Graduated cylinder
Which explosion/eruption type empties out the whole magma chamber?
Caldera
Why did the dish soap on the cardboard boats help them move forward?
It was hydrophobic.