WorksheetsChemicals did this
Total questions: 10
Worksheet time: 10mins
Name
Class
Date
1.
The smallest particle of an element.
a)
gas
b)
atom
c)
solid
2.
How many substances are in CO
a)
1
b)
2
3.
How many substances are in Co
a)
1
b)
2
4.
What out of the following is toxic?
a)
Antifreeze
b)
elemental mercury
c)
water
d)
raisin bran (yum)
5.
What (out of the following) can NOT be used for compost?
a)
leaves
b)
grass clippings
c)
vegetable peelings
d)
you
6.
which of the following is NOT considered toxic?
a)
Motor oil
b)
antifreeze
c)
jello
d)
mercury
7.
The basic unit of all living things is ______
a)
cells
b)
Protien
c)
oxegen
d)
bones
8.
Why would this circuit not work?
a)
The circuit is closed.
b)
The circuit is open.
c)
It doesn't have a switch
d)
It needs another battery.
9.
which of these facts is false?
a)
If you throw your toxic waste in the ocean, it means your cool.
b)
Making recycled paper instead of new paper uses 64% less energy.
c)
A modern glass bottle would take 4000 years or more to decompose and even longer if it’s in the landfill.
d)
To produce each week’s Sunday newspapers, 500,000 trees must be cut down.
10.
What is the WRONG way to store household T- waste in your home?
a)
On the floor open, closest to pets & toddlers.
b)
On a high shelf were nobody can reach it but you.
c)
In a locked cabinet, so that nothing that is often on the floor can get into it.
d)
In a special childproof case or chest.
100 %
