Easy
Give me an example of a model used in science?
answers will vary
Why do scientists make synthetic materials?
To reduce waste of natural resources
To make things natural resources cannot make
How many elements are natural elements
92
What is viscocity?
the resistance of flow- how hard or easy it is for an liquid to flow
Give me an example of an acid
lemon juice
Give me an example of a solution and a suspension
solution- salt and water
suspension - flour and water
Why are there two additional rows below the periodic table?
They wanted to keep the formatting of the periodic table
118
What is the definition of refraction?
When light goes through different mediums, the light changes directions and slows down
Give me an example of a base
laundry detergent
What is the overall charge an atom?
Neutral
Give me an example of a compound and element
Compound - CO2
Element - C
Where can I find plasma?
Lightning and stars
What is the definition of light?
•a type of wave – electromagnetic radiation that you can see which is created by vibrating particles
answers will vary
What special bonds do water molecules have?
Hydrogen bonds
What is sublimation?
Liquid to gas
What pH range do most of our cells live in?
6.5-7.5
What is a pro and con of synthetic materials
pro - helps improve society
con - can increase pollution
What is the number range of the pH scale
0-14
What is the Law of Conservation of Energy
Energy is neither created nor destroyed
What is adhesion?
When two different molecules are joined together
Who created the current periodic table?
Dimitri Mendeleev
What are the three main groups on the periodic table?
Nonmetals
Metals
Metalloids