
Recycling Unit Part 1 Test Review
Presentation
•
Physics, Chemistry, Science
•
9th - 12th Grade
•
Medium
Standards-aligned
Martha Horner
Used 5+ times
FREE Resource
9 Slides • 9 Questions
1
Recycling Unit Part 1 Test Review
2
Defining and Describing Recycling
Human Recycling: Process of collecting and processing materials that would otherwise be thrown away as trash and turning them into new products.
Natural Recycling: Process of taking matter and atoms of all types and reusing them or converting them into something different.
3
Recycling as a System
A system is a series of interconnected parts that work together to accomplish a task or series of tasks.
Some systems can be influenced by the environment.
If one part of the system fails, the whole system may fall apart or not work properly
4
Open or Closed-Loop
How much interaction between matter in and out and energy in and out determines if a system is open or closed.
5
The Hydrologic Cycle
Closed system because water is neither created nor destroyed on a large scale.
Water exists as solid, liquid and gas phases that are interchangeable at temperatures found on earth.
There is an exchange of energy between the water cycle and the environment, but no exchange of matter outside the water cycle.
6
Multiple Choice
The water cycle is a(n)
open system
closed system
7
Properties of Matter & Change
Physical vs Chemical Properties
8
Multiple Select
Which of the following are physical properties?
Toxicity
Color
Density
Melting point
9
Multiple Select
Which of the following are chemical properties?
Solid
oxidation
acidity
flammability
10
Multiple Choice
An apple turning brown is an example of a...
physical change (color)
chemical change (oxidation)
11
Reading the Periodic Table
12
Multiple Choice
How many protons in sodium?
11
23
12
13
Multiple Choice
How many neutrons in sodium?
11
12
23
14
Multiple Choice
The atomic number represents
number of protons
number of neutrons
number of electrons
15
The Atom
What's inside and where it is
16
Multiple Select
Which particles are found in the nucleus of an atoms?
protons
neutrons
electrons
17
Chemical Bonds
Let's connect
18
Multiple Choice
The best way to determine how elements will bond is to look at the...
ionization energy
electronegativity values
atomic radius
Recycling Unit Part 1 Test Review
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