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WorksheetsChemical Interactions practice
Total questions: 47
Worksheet time: 41mins
Which of the following can be compressed?
a gas
a liquid
a solid
What happened to the water in the tube of the bottle system when it was placed in the cold water?
It expanded and went up the tube
It contracted and went down the tube
Melting is _______
A phase change where a gas changes into a solid.
A phase change where a liquid changes into solid.
A phase change where a solid changes into gas.
A phase change where a solid changes into a liquid.
Choose the pictures that show MELTING. (You may choose more than 1).
What causes objects to melt?
cold
heat
sound
stirring
Dissolving is an interaction between _______
the conservation of matter and time
two (or more) substances: a solute and solvent
gases and liquids
temperature of a solid and the air
Freezing is _______
A phase change where a gas changes into a solid.
A phase change where a liquid changes into solid.
A phase change where a solid changes into gas.
A phase change where a solid changes into a liquid.
Particles collide ________ of times in a single second!
hundreds
thousands
millions
billions
The chemical formula for corn syrup is C6H14O7. Which of the following elements are found in the chemical formula?
Carbon
Calcium
Helium
Hydrogen
Oxygen
The symbol Fe represents the element _______
Iron
Phosphorus
Feldspar
Cobalt
Not all substances are soluble in water.
True
False
During _____, particles of a solid break away from each other and spread out evenly in the liquid.
melting
osmosis
collisions
dissolving
Dissolving takes place when a _____ interacts with a solute, breaking its particles apart from each other.
solute
solvent
particle
Match the element and the element symbol: Sn
tin
sulfur
iron
sodium
Match the element and the element symbol: Sulfur
Sf
Su
Sr
S
Match the element and the element symbol: Zinc
Z
Zi
ZN
Zn
Match the element and the element symbol: Neon
N
No
Ne
Nn
Match the element and the element symbol: Calcium
Cl
Ca
C
Cm
Match the element and the element symbol: Copper
CU
Cp
Cu
Cr
Match the element and the element symbol: Helium
He
Hl
HE
Hm
Match the element and the element symbol: Hydrogen
Hy
H
Hr
Hn
Match the element and the element symbol: Gold
Go
Gl
AU
Au
Match the element and the element symbol: N
Sodium
Nicragon
Nonium
Nitrogen
Match the element and the element symbol: Nickel
Ni
N
Nl
Nc
Match the element and the element symbol: Pb
Gold
Lead
peanut butter
Paribium
Kinetic energy means energy in motion. How can you increase the kinetic energy of liquid particles?
By heating the particles
By cooling the particles
Kinetic energy means energy in motion. How can you decrease the kinetic energy of gas particles?
By heating the particles
By cooling the particles
A portion of the Periodic Table of the Elements is shown below. The table provides a separate box for each chemical element, with all the elements in one vertical column having similar properties.
Which element is a halide?
Neon
Iodine
Carbon
Silver
A portion of the Periodic Table of the Elements is shown below. The table provides a separate box for each chemical element, with all the elements in one vertical column having similar properties.
Which element is a nonmetal?
Boron
Carbon
Aluminum
Silicon
If I put a balloon on top of a water bottle filled only with air and the heat the bottle system, what will happen to the balloon?
It will shrink
It will inflate
Nothing, it will stay the same
What is kinetic energy?
Energy of light
Energy of sound
Energy of motion
Energy of food
In a glass of water, what is in the small space between any two water particles?
water particles
empty space
Which illustration shows a red cough drop completely dissolved in water?
Illustration 1
Illustration 2
Illustration 3
Illustration 4
A red cough drop is placed in a cup filled with cold water. After a minute or two, a pool of red color forms around the cough drop. Is the cough drop melting or dissolving?
The cough drop is melting.
The cough drop is dissolving.
The cough drop is neither melting or dissolving.
The cough drop is both melting and dissolving.
The change of phase of matter from a liquid to a gas is called _________.
How could you increase the rate of dissolving of a Skittle in water?
Increase the temperature of the water. Hotter water will dissolve substances more quickly than colder water.
Decrease the temperature of the water. Colder water will dissolve substances more quickly than hotter water.
What are some of the solutions found in living organisms?
Saliva
Sweat
Stomach acid
Bones
In the wintertime, some people use metal bottles to keep their coffee or hot chocolate hot all day long. The metal bottle is an example of _________.
melting
insulation
condensation
precipitation
When an M&M's colorful candy coating dissolves in water, what is happening at the particle level?
When an M&M's chocolate core melts in hot air, what is happening at the particle level?
How many Carbon atoms do you see?
(a)
How many Hydrogen atoms do you see?
(a)
How many oxygen atoms do you see?
(a)
What is the difference between Co and CO?
Co is one element, CO is two
Co is two elements, CO is one
There is no difference
They are different version of the same substance
Which of the following is NOT a mixture?
a salad
iron
trail mix
sand
