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A glass of ice water is on a table in a room where the room's air temperature is 20 degrees Celsius. What do the drinking glass, ice, water, and air all have in common?
6.5
gravity
the type of surfaces used
The new orange juice is less acidic than the original orange juice.
The beans keep their individual properties when placed in the jar.
It is made up of atoms.
nitrogen and oxygen
All four are made of atoms.
A teacher gives a student an unidentified liquid in a beaker. Which statement can the student correctly make about the liquid without knowing any of its specific properties?
6.5
gravity
the type of surfaces used
The new orange juice is less acidic than the original orange juice.
The beans keep their individual properties when placed in the jar.
It is made up of atoms.
nitrogen and oxygen
All four are made of atoms.
The atmosphere of Earth is a mixture of different gases. What are the two most abundant gases in Earth's atmosphere?
6.5
gravity
the type of surfaces used
The new orange juice is less acidic than the original orange juice.
The beans keep their individual properties when placed in the jar.
It is made up of atoms.
nitrogen and oxygen
All four are made of atoms.
Which of these keeps a moon in orbit around a planet?
6.5
gravity
the type of surfaces used
The new orange juice is less acidic than the original orange juice.
The beans keep their individual properties when placed in the jar.
It is made up of atoms.
nitrogen and oxygen
All four are made of atoms.
What is the pH of a weak acid?
6.5
gravity
the type of surfaces used
The new orange juice is less acidic than the original orange juice.
The beans keep their individual properties when placed in the jar.
It is made up of atoms.
nitrogen and oxygen
All four are made of atoms.
An orange juice company produces a new variety of orange juice by adding calcium citrate to the juice. The original juice had a pH of 3.88. The new orange juice has a pH of 4.18. Which statement best describes the change to the orange juice?
6.5
gravity
the type of surfaces used
The new orange juice is less acidic than the original orange juice.
The beans keep their individual properties when placed in the jar.
It is made up of atoms.
nitrogen and oxygen
All four are made of atoms.
A student designs an experiment to determine how surface type affects the amount of force needed to roll a ball 20 meters. What is the independent variable?
6.5
gravity
the type of surfaces used
The new orange juice is less acidic than the original orange juice.
The beans keep their individual properties when placed in the jar.
It is made up of atoms.
nitrogen and oxygen
All four are made of atoms.
A jar contains two types of beans. Which statement below best explains why this jar contains a mixture?
6.5
gravity
the type of surfaces used
The new orange juice is less acidic than the original orange juice.
The beans keep their individual properties when placed in the jar.
It is made up of atoms.
nitrogen and oxygen
All four are made of atoms.
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