Iron Fe, Cobalt Co, Nickel Ni, Oxygen O, Nitrogen N, ETCCCCCCCC!!!!!!!!!!!!!
100
________ elements can be found on Earth naturally.
90 elements can be found on Earth naturally.
100
Substances formed from atoms of two or more elements are called _______________________.
What is a Compound( Mixture)?
100
What is one example of a colloid?
Milk is an example of a colloid.
100
Triple Points
The scattering of light beam as it passes through a colloid.
What is the Tyndall Effect?
200
Daily Double
List two examples of compounds. 1) 2)
CaCO(3), NaCl, H2O, HCl, CO(3)
200
Daily Double
A _____________________ is a heterogeneous mixture made of a liquid and solid particles that settle.
What is a suspension?
200
The process of separating substances, such as salt and water, in a mixture by evaporating a liquid and recondensing its vapor.
What is distillation?
200
What is one example of a suspension?
An example of a suspension would be salt water or pond water.
200
Santa did not make it to your house. The salvation army came to the rescue. Your team receives 400 points and toys......Merry Christ-mas
:)
300
How many of the elements have to be created in a lab by scientist?
About 20 elements must be created in a lab.
300
Naughty List:
Insert Your Name Here
Gift: Coal= Your teams loses 100 points!!!!!
HOHOHOHOHOHO
300
A heterogeneous mixture with particles that never settle.
What is a Colloid?
300
Freezing, boiling, and evaporation are all examples of __________________ changes.
Physical Changes
300
List at least three ways that matter can be classified.
1) 2) 3)
Boiling Point, Melting Point, Freezing Point, color, size, shape, density, mass, temp, volume, etc.
400
Which is an example of a chemical change?
A) Boiling
B) Burning
C) Evaporation
D) Melting
B) Burning
400
Describe in your own words one example of a chemical change. What is there a rapid release of during a chemical change?
A chemical change is a change in which a chemical turns in to a whole new chemical. One example of a chemical change is when calcium comes in contact with water. There is a rapid release of energy, heat, and pressure during a chemical change.
400
An __________________ is a substance made up of atoms that are all alike.
What is an element?
400
Which of the following warnings refers to a chemical property of the material?
A)Fragile C) Active
B)Sharp Objects D) Shake Well
C) active
400
Is coke and dr. pepper and example of a heterogeneous mixture or a homogeneous mixture?
Homogeneous Mixture
500
How are suspensions, colloids and solutions related?
They are all three examples of mixtures. Suspensions and Colloids are examples of heterogeneous mixtures, whereas solutions are seen as homogeneous mixtures.
500
What is the difference between a heterogeneous mixture and a homogeneous mixture?
The difference is that a heterogeneous mixture can be taken apart and broken down, whereas a homogeneous mixture can not because it is the same throughout.
500
Any characteristic of a material that you can observe without changing the identity of the substance is a _____________________________.
What is a physical property?
500
you win at life
Collect 600 points
Your Welcome
500
What is the difference between a substance and a mixture?
The difference between a substance and a mixture is that a substance is made up of one solution and is uniform throughout, whereas a mixture is a combination of more than one solution that can be distinguished and separated.