Font size
WorksheetsSamira
Total questions: 153
Worksheet time: 2hrs 41mins
volume
Acid is?
A substance that reacts to metals and carbonates, and has a Ph of below 7.
Often used in drain cleaner.
Something that can only be found in a lab
A bitter tasting substance
A base is
A substance that feels slippery, has a higher Ph than 7, and is often used in drain cleaner.
Has a Ph of below 7 and can react to metal and carbonates
Is only found in a lab
Something water can never be
Water is?
Always an acd
Always a base
Is the most common base, and acid in the world
Always is neutral that is why it is safe to drink
An indicator is?
A lab manual or guide
Something like litmus paper that can tell you if a substance is acidic or basic
A PS4 game where you pretend to direct traffic
Something only scientists in a lab can use
A substance with a ph of lower than 7 is a
Acid
True OG
Base
Salt
A substance with a ph of higher that 7.5 is a?
Home dog doggity
Base
Acid
Salt
When you neutralize acid with a base you create
a Salt and water
You can not neutralize acid with a base
You create carbon dioxide
A moderate sized explosion
When found in food, acids often taste ________.
Sour
Bitter
Salty
Slippery
When found in food, bases often taste _______.
Sour
Bitter
Salty
Soggy
When found in food, bases often taste _______.
Sour
Bitter
Salty
Soggy
What range of values on the pH scale represent solutions with a higher ratio of hydroxide (OH-) ions?
below 7
7
above 7
0-14
What range of values on the pH scale represent solutions with a higher ratio of hydronium (H3O+) ions?
0-14
below 7
7
above 7
What pH is the strongest base?
1
7
4
14
A physical change:
DOES result in a new substance.
DOES NOT result in a new substance.
A chemical change:
DOES result in a new substance.
DOES NOT result in a new substance.
When a cake is baked in an oven, a chemical change has occurred when:
the batter sticks to the pan
the cake batter changes color
steam rises from the warm cake
the pan increases in temperature
When leaves decay, they go through a _____________________.
chemical change
physical change
An automobile you are riding in suddenly stops, why does your body continue to go forward?
An object in motion stays in motion.
Gravity pulls your body towards the earth.
Friction makes your body slow down.
If a magician pulls a table cloth from under a table of dishes, what should happen based on Newton's 1st law?
The dishes will stay in place on the table.
The dishes will fall to the ground.
The dishes will accelerate and then slow down.
Pushing a child on a swing is harder than pushing an adult on the same swing.
True
False
Why is it harder to push a cart full of bricks than a cart full of feathers?
The bricks have more friction than the feathers.
The feathers have more friction than the bricks.
The bricks have more weight/mass than the feathers.
The feathers have more weight/mass than the bricks.
Acceleration occurs when there is a change in speed.
True
False
change in velocity during a period of time
acceleration
vertical
acceleration formula
What is energy?
moving energy
stored energy
renewable energy
The ability to do work.
What is kinetic energy?
moving energy
potential energy
stored energy
renewable energy
What is potential energy?
moving energy
stored energy
renewable energy
non renewable energy
A computer uses what type of energy to operate?
Mechanical
Light
Electric
Sound
what energy does the object in the picture have the most of?
kinetic energy
potential energy
electric energy
heat energy
If the same force is applied to each object, which will have the greatest acceleration?
Study picture below. Which would increase the boat's acceleration?
have both people row
have the person stop rowing
flatten the front of the boat
add more bags to the boat
Which statement can you conclude from the photo below?
both the car and the motorcycle had the same speed
noth the car and the motorcycle had the same acceleration
the motorcycle had the greatest acceleration
the car had the greatest acceleration
The picture below shows a water molecule. The arrow is pointing to a(n)
proton
atom
electron
nucleus
Identify the type of mixture in the image
alloy
solution
suspension
colloid
Identify the type of mixture in the image
colloid
solution
alloy
suspension
Identify the type of mixture in the image
suspension
colloid
solution
alloy
Identify the type of mixture in the image
suspension
solution
colloid
alloy
The graph below compare the solubility of two substances. which statement is true
At 0°C, sodium chloride is more soluble than sodium chlorateC
the two substances have the same solubility
At 100°C, the two substances have the same solubility
The solubility of sodium chlorate increases as the water temperature increases
A student is successfully separating the mixture in the beaker below. Which two substances are most likely in the beaker?
sand and iron fillings
sand and water
water and salt
baking soda and vinegar
Study the diagram below. According to the law of conservation of mass, both sides of the arrow have
elements in the same state of matter
the same arrangement of atoms
an equal number of reactants and products
the same total number of each type of atom
The chemical reaction below shows the formation of a(n)
compound
acid
salt
mixture
What sign is showing that the chemical change is occuring in the picture below?
forms tarnish
forms precipitate
release of gas
releases energy
is what the air outsid
weather
atmosphere
climeat
season
