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Waste In Our World
Test Description: Review for Unit test
Instructions: Answer all questions to get your test result.
1) What is waste?
A
Unwanted material by humans or nature
B
Made by humans
C
We can use over and over
2) What goes to the dump?
A
old toys
B
pop can
C
apple
D
paper
3) What can be recycled
A
Carrot
B
Paper
C
DVD
D
laptop
4) What is biodegradeable?
A
Things that decompose or decay in nature, turning back into soil
B
Something that dies
C
Not decomposing easily
D
Organisms that eat the waste
5) What will biodegrade?
A
apple
B
rubber
C
styrofoam
D
tin can
6) How can we reduce waste in a classroom?
A
double space our writing
B
take many papers
C
use both sides of paper
D
throw paper in the garbage that we don't need
7) What can we do at home to reduce waste?
A
Put lids on your pots
B
Buy one use containers
C
Turn off the lights
D
run the tap when you brush teeth
8) What are the 3R's
A
reconstruct, remake, re-do
B
reduce, refuse, remake
C
reduce, reuse, recycle
D
recycle, reinvent, redo
9) If I reuse a bag to do groceries I am
A
reusing
B
reducing
C
recycling
10) If I use a put my paper coffee cup in the blue bin, I am
A
reducing
B
recycling
C
reusing
11) What ways can I dispose waste?
A
garbage, bottle depot
B
landfill, incinerator, dump
C
donate it
D
burry it, give it to the animals
12) Which disposal method has layers to protect from toxins?
A
incinerator
B
landfill
C
dump
13) Which disposal method burns waste?
A
incinerator
B
dump
C
landfill
14) What is an advantage of dumps?
A
cheap
B
toxins go into the earth
C
messy
D
expensive
15) What is a disadvantage of dumps?
A
fast
B
Toxins sink down into the earth
C
easy
D
cheap
16) What is a disadvantage of incinerators?
A
takes up less space
B
no waste
C
stinks, pollutes the air
17) How is a landfill different than a dump
A
Landfills don't take space, dumps do
B
dumps smell, landflls don't
C
Landfills sort their waste, dumps do not
18) What are the organisms called that help eat waste?
A
dinosaurs
B
consumers
C
prey
D
decomposers
*select an answer for all questions
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