Lab and Kitchen Safety
General Vocabulary
Mixtures and Properties
Chemical Reactions
The Atom
The Elements
100
This is the first thing you should do if you spill something in the lab
What is tell the teacher?
100
This type of mixture has particles that scatter light and includes examples like milk and fog.
BONUS: The name of this effect.
What is a colloid?
BONUS: What is the Tyndall Effect?
100
This type of mixture looks the same throughout.
BONUS: The only type of mixture that displays this property
What is a Homogenous mixture?
BONUS: What is a Solution?
100
The formation of these during a reaction indicates gas is being produced.
What are bubbles?
100
This subatomic particle has a negative charge and is involved in chemical bonding.
What is an electron?
100
This number tells you how many protons an element has and determines its identity.
What is the atomic number?
200
This is the first thing you should do if you notice a fire starting in the lab.
What is alert the teacher and evacuate if necessary?
200
Information taken in by the sensory memory will only move to the working memory if this is done.
What is paying attention?
200
If you can do this to a substance, it must be a mixture.
What is separate using physical means?
200
This visible sign of a chemical reaction occurs when iron is exposed to oxygen and moisture.
What is rust formation (or color change)?
200
This subatomic particle determines the identity of an element.
What is a proton?
200
This kind of element bonds to itself in pure form
What is a diatomic element?
300
This safety rule applies to both science labs and kitchens when handling hot equipment.
What is wear heat-resistant gloves or use tongs?
300
This is a mixture where one substance dissolves completely in another, like salt in water.
What is a solution?
300
This type of property can be observed without changing the substance's chemical identity.
What is a physical property?
300
This sign of a chemical reaction involves energy being released, making the surroundings warmer.
What is heat production (or temperature change)?
300
The only subatomic particle that has no effect on the atomic number of an element.
What is a neutron?
300
This element has the atomic number 28
What is Nickel?
400
This is why you should never taste unknown chemicals in either a lab or kitchen setting.
What is they could be toxic or harmful?
400
This substance has large particles that will settle out over time if left undisturbed.
What is a suspension?
400
This type of property describes how a substance reacts with other substances.
What is a chemical property?
400
This sign indicates a chemical reaction when you can detect new smells that weren't there before.
What is gas production or odor production?
400
In a neutral atom, the number of these particles equals the number of protons.
BONUS: Protons and electrons are equal in a neutral atom for this reason.
What are electrons?
BONUS: What is positive and negative charges balance?
400
The likely most common isotope of this element
What is Rubidium-85?
500
This material should never be handled with your hands (gloved or otherwise!)
What is broken glass?
500
A substance that cannot be separated physically but can be separated chemically.
What is a compound?
500
Water boiling at 100°C is an example of this.
What is a phase shift or physical change?
500
When sugar is caramelized, it displays these 3 signs of a chemical reaction.
What are color change, odor change and taste change?
500
Unlike the atomic number, this number is an average between all the available atoms of an element found on Earth.
What is atomic mass?
500
The average number of neutrons in this element (use a whole number)
What is 48?