Pure Substances and Mixtures
24K gold is an example of this because it is made up of the same kind of atoms.
What is an element?
The name for the horizontal rows in the periodic table.
What is a period?
Rust is an example of a chemical reaction because something ______ is produced.
What is new?
glucose, lactose and starch are examples of this group of food molecules.
What are carbohydrates.
This is the unit used to measure energy in food.
What is a calorie?
Water is an example of this because each water molecule is made of atoms of two or more elements which are chemically combined.
What is a compound?
The name given to the vertical columns of the periodic table.
What is groups or families?
Water melting is an example of a physical change because ice and water have this in common.
What is molecular formula?
Beans, meat and eggs are all high in this food molecule.
What is protein?
This plant material is found in vegetables. It is indigestable by humans and aids in digestion.
What is fiber?
A mixture in which the component parts are easily observed.
What is a heterogeneous mixture?
Elements in the periodic table are arranged into columns based on these properties.
What are chemical properties?
This is a solid produced form a liquid solution during a chemical reaction.
What is precipitate?
Butter and lard are examples of this kind of fat.
What is saturated fat?
An excess of calories and low activity levels lead to this condition.
What is obesity?
A solution of salt and water is this type of mixture.
What is a homogeneous mixture?
Nonmetals are found on this side of the periodic table.
What is the right side?
This describes a chemical reaction in which the temperature decreases.
What is endothermic?
Food molecules found in fruit, soda and candy that provide fast energy.
What are simple carbohydrates?
The amount of energy needed to maintain the basic functions of life.
What is basal metabolic rate (BMR)?
A substance contains two components joined by physical means is classified as this.
What is a mixture?
This the name of the most reactive group of metals.
What is "Alkali Metals"?
This is gradual wearing away of a metal element due to a chemical reaction
What is corrosion?
This type of fat is man-made and very bad for you. It's found in many processed foods.
What are trans fats?
This is the hormone that allows glucose into your cells from the blood stream. Diabetics take injections of this to regulate their blood sugar levels.
What is insulin?