WorksheetsPhysical Science Final Exam Review - Multiple Choice Assessment
Total questions: 20
Worksheet time: 10mins
Which statement best describes the process of food digestion in the mouth?
Chemical changes occur during chewing and saliva breakdown
Physical changes occur during chewing and chemical changes occur with saliva
Both processes are physical changes
Both processes are chemical changes
What is the most basic type of pure substance?
Molecule
Element
Compound
Mixture
When identifying the state of matter, which characteristics indicate a liquid?
Fixed shape and fixed volume
Fixed volume but variable shape
Variable shape and variable volume
Fixed shape but variable volume
What happens to water in a pond during seasonal changes from winter to summer?
Freezing → condensation → evaporation
Melting → evaporation → condensation
Freezing → melting → evaporation
Condensation → freezing → melting
How do surface tension and viscosity compare between water and oil?
Water has higher surface tension and lower viscosity
Oil has higher surface tension and higher viscosity
Water has lower surface tension and higher viscosity
They have equal surface tension but different viscosity
What type of force is being applied when pushing a shopping cart?
Gravitational force
Contact force
Magnetic force
Electrical force
How does energy change in a roller coaster at its lowest point?
Maximum potential energy, minimum kinetic energy
Maximum kinetic energy, minimum potential energy
What is a key characteristic of heterogeneous mixtures?
Cannot be separated physically
Can be separated physically
Must be chemically separated
Forms new chemical compounds
Why are synthetic materials important in modern society?
They are always biodegradable
They require no natural resources
They help meet demands when natural materials are scarce
They are less artificial than natural materials
What happens to gravitational force when distance between objects increases?
Force increases
Force stays the same
Force decreases
Force becomes zero
In what type of mixture would clear river water containing dissolved minerals be classified?
Heterogeneous mixture
Solution
Suspension
Pure substance
What are the reactants in the equation 4 Al + 3 O2 → 2 Al2O3?
Al2O3 only
Al and O2
Al and Al2O3
O2 and Al2O3
Which best describes Newton's Third Law of Motion?
Objects in motion stay in motion
Force equals mass times acceleration
Every action has an equal and opposite reaction
Objects at rest stay at rest
What characterizes particles in a gas state?
Slow movement, close together
Fast movement, far apart
No movement, far apart
Slow movement, far apart
When is a force considered balanced?
When an object is accelerating
When an object is at rest
When an object is moving at constant velocity
When an object is changing direction
What indicates an endothermic reaction?
Energy is released as heat
Surroundings become warmer
Energy is absorbed from surroundings
Less energy is needed than released
How does kinetic energy change as potential energy increases?
Kinetic energy increases
Kinetic energy decreases
Kinetic energy stays the same
Both energies increase
What determines the density of an object?
Mass only
Volume only
Mass divided by volume
Mass plus volume
Which best describes constant speed on a distance-time graph?
Curved line
Straight line
Zigzag line
Horizontal line
What happens during a physical change?
New substances form
Chemical bonds break
Appearance changes but composition stays the same
Both appearance and composition change
