Experimental Design
This is the variable that is measured during an experiment.
What is the dependent variable?
Newton's Second Law of Motion is this equation.
What is f=ma?
In 6CO2 + 6H2O > C6H12O6 + 6O2 , there are this many atoms on the reactant side.
What are 36?
Sugar dissolving
What is a physical change?
Hitting a baseball and noticing the vibration in the bat __
What is Newton's 3rd law?
This is most useful for comparing data among categories.
What is a bar graph?
A combination of all forces acting on an object is known as ___________________.
The new substances created in a chemical reaction are known as _______________.
An unexpected color change is an example of a _____________________.
What is chemical change?
Leaves changing color
What is a chemical change?
This is the base unit of the metric system used for measuring the mass of an object.
What is a gram?
By flying at cruising altitude, an airplane is demonstrating Newton's __________ law.
What is first?
The following equation is balanced or unbalanced.
2 Na + 2H2O > 2NaOH + H2
What is balanced?
High body temperature to fight infection
What is chemical change?
A smaller robin and a larger crow both land on a wet field to rest. The imprint left by THIS bird is larger for this reason.
What is the crow? What is larger imprint due to its greater mass?
A hypothesis should be written as a(n) __________, ____________, ______________ statement.
What is if, then, because?
You are riding int he backseat of a truck when the driver suddenly stops due to a large pothole ahead. You are wearing a seat belt. This is what happens to you when the truck stops and for this reason.
What is continue to move forward due to inertia?
___ N2+ ___ H2 > ___ NH3
What is ___ N2+ ___ 3H2 > ___ 2NH3 ?
A(n) ______________ forms when a solid suddenly appears in a solution and settles to the bottom, collects on another object, or makes the solution cloudy.
What is precipitate?
Heat producing or releasing chemical reaction
What is exothermic?
any display of information in tabular form, with rows/columns named __
What is a data table?
By paddling a boat down a stream with a thrust of each push of the oar, your body and the boat lunges forward. This is an example of this Newton's ________ law.
What is third?
The following is balanced or unbalanced.
NaBr + CaF2 > NaF + CaBr2
What is unbalanced?
Silver tarnishing
What is a chemical change?
Balance the following equation.
___ Ca + ___ O2 > ___ CaO
What is 2Ca + O2 > 2CaO?