WorksheetsU1 Atoms, Molecules and Matter
Total questions: 35
Worksheet time: 18mins
What chart should you reference to lookup information about elements?
Elemental Map
Table of atoms
Periodic Table of elements
None of the above
Protons and neutrons clump together to form the __________ of an atom.
nucleus
outer shell
centrosome
orbital
This subatomic particle of an atom has a POSITIVE charge.
Electron
Proton
Neutron
Betatron
This subatomic particle of an atom has NO charge.
Electron
Atom
Proton
Neutron
This subatomic particle of an atom has a NEGATIVE charge.
Electron
Atom
Proton
Neutron
Atoms are more than ________ times smaller than the width of a hair.
10
100
1,000
10,000
A molecule is made up of ____ or more atoms.
1
2
3
4
Which of these is matter?
energy
peace
air
love
____________ is the property that tells us how well something dissolves.
Liquidness
Dissolvability
Density
Solubility
How did Charlotte make slime with magnetic properties?
aluminum powder
sodium powder
iron powder
ink powder
A(n) __________ is a pure substance made of only one type of atom.
compound
element
proton
electron
Which of these is true of fruits blended together?
chemical change
physical change
both types of change
none of these
Gallium spoon melting is a physical change because a puddle of _____ metal is left afterwards.
iron
aluminum
steel
gallium
When something burns it is which of these?
chemical change
physical change
toxic change
air change
Why is this a physical change?
it makes a mess
it changes form
same gas before and after
it's not, it's a chemical change
The spoiling of milk is an example of which type of change?
physical
chemical
both
neither
Is mixing air into egg whites a physical or chemical change?
physical
chemical
both
neither
Which is an example of a chemical change?
burning wood
cooking food
rust on a car
all the above
If you start a chemical reactions with 5 atoms of helium, how many atoms will you have after?
4 atoms
1 atom
10 atoms
5 atoms
Which of the following are properties of matter?
magnetism
color
odor
all the above
Is TNT exploding a physical or a chemical change?
physical
chemical
both physical and chemical
neither physical nor chemical
What kind of scientist forms new chemicals by studying chemical reactions?
Chemical Engineer
Pharmacist
Materials Scientist
Medical Doctor
Which observation(s) might be used as evidence that a chemical reaction occurred?
color change
properties change
odor change
all the above
______ is (are) made of more than one atom.
a molecule
neutrons
protons
an element
______ result(s) in no new substances.
a physical change
physical and chemical changes
a chemical change
none of the above
Which is an example of a physical change?
burning wood
rust on a car
freezing water
cooking food
Matter must have weight and _________.
be visible
be a solid
take up space
all of these
If 25 grams of sugar dissolves into 150 grams of water, what is the new weight of the liquid?
125 g
25 g
150 g
175 g
What evidence was found for conservation of matter in the fire snake demo?
Looked the same before and after
about the same weight before and after
smelled the same before and after
matter was not conserved
The fire snake weighed slightly less after it burned. Where did that matter go?
disappeared
burned up
escaped as gas
soaked into sand
Why does the weight of the dry ice go down while it's sitting on the scale?
it's melting
turing into a gas
it's disappearing
none of these
As the balloon collects gas, what happens to the weight reading on the scale?
increases
decreases
goes to zero
stays the same
As this candle burns it gets shorter. Where does the wax go?
wax goes into the air
burns and releases gases into the air
melts into the candle
disappears
Where did Zoe's flash paper go when it disappeared?
converted into gas
into the candle
converted into pure energy
she hid it in her hand
Do you think we should continue to do the Generation Genius videos?
Yes, I love them!
Meh, they're ok.
Meh, I don't think so
No, I hate them
