Chapter 3 (Math)
Simplify 2b + (-4b) - 10 + 6
-2b - 4
Which is a rate and which is a ratio? YOU DO NOT NEED TO REWRITE THE SENTENCE, JUST THE NUMBER:
1. There are 234 students in 9 different classrooms.
2. She can swim 2 laps in 4 minutes.
1. Ratio
2. Rate
What are the three states of matter?
Solid, liquid, gas
When the Earth's air, water, or land gets dirty or unhealthy from trash, chemicals, or waste... this is called?
Pollution
What club does Ms. Porsley run?
Yearbook Club
Simplify 10 + 2b + 8b - 6
10b + 4
Find the unit rate:
360 miles in 6 hours
60 miles per hour
a characteristic or trait that can be used to describe matter or substances.
Property
Name one type of negative contribution to the environment, caused by humans.
Deforestation, plastic use and littering, fast fashion, air pollution, water pollution, etc.
What is something your teacher needs every day?
C O F F E E
Simplify:
10x + 7 -4x-(-15)
6x + 22
Find the unit rate, round to the nearest hundredth:
$1.29 for 20 ounces
$0.07 per ounce
Name two properties.
(mass, volume, density, hardness, color, shape, particle movement, particle arrangement, compressibility, fluidity, intermolecular forces)
Which land-based ecosystem/habitat has the most biodiversity (variety of living species)?
Rainforests
What is another job that I have had?
Photographer, barista, librarian, childcare/preschool teacher
5(3-x) = 30
x=-3
Dishwasher detergent is sold in individual packs, in 20-, 60-, and 90-pack containers.
The 60-pack container sells for $10.97. What is the unit rate in dollars per pack? Round your answer to the nearest cent.
$0.18 per pack
Name two phase changes.
(melting, freezing, condensation, evaporation, sublimation, deposition)
Why is plastic dangerous to marine life?
If Ms. Porsley was not a teacher, what would she do instead?
(All answers count)
My actual answer: A journalist, photographer or construction worker... maybe a cosmotologist
14x + 2(x - 5) - 10=-4
x=-1
There are 16 bacteria in a beaker. Four hours later there are 228 bacteria in the beaker. What is the rate of change per hour in the number of bacteria?
53 bacteria per hour
Provide one real-world example of phase change.
Varies
What is one important quote, meaningful to environmental awareness, from The Lorax?
- "I speak for the trees."
- "Unless someone like you cares a whole awful lot, nothing is going to get better. It's not."
If Ms. Porsley could travel anywhere, where do you think she would go?
Ireland, Germany, Italy, or Greece