WorksheetsScience Final Exam, Energy, Forces, and Reactions.
Total questions: 20
Worksheet time: 7mins
What is kinetic energy?
Energy of water moving through objects
Energy of an object because of its motion
Light energy moving through objects making shadows
Energy of an object due to how high it is
Potential energy is...
energy in motion
stored energy
Suppose Ayeesha went biking. Her pedaling caused the bike to move. Which form of energy allowed it to move?
sound
light
thermal
mechanical
A stretched metal coil represents what type of potential energy?
gravitational potential energy
elastic potential energy
chemical potential energy
kinetic potential energy
the energy an object has due to its height above the ground
the energy an object has due to its motion
the energy a spring has due to its stretch
the chemical energy stored in the molecules of atoms
What is the sum of kinetic energy and potential energy of a system?
mechanical energy
electrical energy
moving energy
nuclear energy
A force is a _____
push
pull
Both push and pull
Object
What is the sum of all forces on an object?
(a)
acceleration
inertia
mass
frame of reference
unbalanced
balanced
to both moving and nonmoving objects
only to moving objects
only to objects that are not moving
What number Law is Force = M x A?
1st Law of MotIon
3rd Law of Motjon
2nd Law of Motion
2nd Law of Moton
Objects in motion stay in motion and objects at rest stay at rest
Force is equal to mass times acceleration
For each action there is an equal and opposite reaction
What are Chemical Equations?
It's when you mix substances.
Expression that uses symbols and numbers to show a relationship between substances
When something bubbles.
letter and numbers showing the types and number of atoms
Products
Reactants
Starters
Enders
Yields
Reactants
Products
Precipitates
Matter can be made
Matter can be destroyed
Matter can neither be made or destroyed
Matter can evaporate
If a chemical reaction is EXOTHERMIC, the temperature of the surrounding would....
Stay the same
Increase
Decrease
Photosynthesis uses sunlight to make energy and sugar. What type of reaction is this?
Endothermic
Exothermic
Energy can be created or destroyed but not transformed
Energy cannot be created or destroyed, it can only be transformed
Energy can't be created, destroyed or transformed
