Select the description of motion from A - B.

Speeding up away from the origin

Slowing down away from the origin

Constant velocity away from the origin

Constant velocity towards the origin

The acceleration of an object due to gravity on Earth is...

It depends on the mass of an object

The graph represents the relationship between velocity and time for an object moving in a straight line. Use this graph to answer this question: Which of the following statements is true?

The object moves with a constant velocity

There are many safety rules that you must follow while you are performing a laboratory or field investigation. Which of the following correctly outlines one of these rules?

properly dispose of chemicals and materials

directly smell chemicals to test the odor

determine if glassware is hot by grabbing it

clean up spills before mr campos finds out

Which of the following correctly describes science?

using evidence to construct explanations for natural processes

collecting all of the facts about how our planet works

making moral judgements to answer controversial questions

disproving explanations proposed by people who are not scientists

A student constructed the graph after performing a solubility lab: Which of the following can we infer from the graph?

as the temperature increases, the solubility also increases

the student used a scale to measure the temperature

a bar graph would have been a better representations of the data

the solubility of the solute at 60 degrees Celsius is about 40 grams/100ml of water

Your teacher has asked you to construct a scientific explanation for whether or not you think children should use tablets and cellphones. Which of the following should you include in your scientific explanation to validate your argument?

evidence from peer reviewed journals (aka scientific papers)

Which of the following best describes a state of matter?

the atoms of solid aluminum are close together and vibrating

the atoms of aluminum gas are far apart and stationary

the atoms of aluminum gas are close together and vibrating

the atoms of solid aluminum are close together and stationary

Noble gases are stable because they...

lose electrons in chemical reactions

have equal numbers of protons and elctrons

Silver has a density of 10.5 g/mL. A sample of an unknown metal has a similar luster as silver. It has a mass of 23.1 g and a volume of 2.2 mL and conducts electricity. Which of the following is true based on this information?

conductivity is a chemical property

the sample is not silver because it has a different mass

the sample is not silver because it has a different density

Which of the following correctly describes the properties of solutions?

the solubility of gases increases as the pressure on the solution increases

water dissolves easily because it is nonpolar

once a solution reaches its maximum concentration, its solubility increases

the solubility of solids decreases as the temperature of the solution increases

Which of the following correctly describes a chemical change?

determined by the arrangement of valance electrons

produces a new substance with the same properties

Which of the following statements about chemical reactions and our environment is true?

some chemical reactions produce carbon dioxide and other greenhouse gases

all chemical reactions positively impact our environment

all chemical reactions negatively impact our environment

some chemical reactions produce substances that build our ozone layer

An airplane passenger determines the following information during his flight: • His airplane is traveling 2,400 miles • His flight will take 6.3 hours • The plane holds 152 passengers • The plane weighs 450,000 kg Which of the following characteristics about the plane’s motion can he determine with this data?

He can determine the plane's speed by dividing 2,400 miles by 6.3 hours

He can determine the plane's displacement by multiplying 2,400 miles by 2

He can determine the plane's acceleration by dividing 2,400 miles by 6.3 hours

He can determine the plane's momentum by multiplying 450,000 kg by 6.3 hours

A student constructed this graph after a physics lab involving a toy car. Which of the following can we infer from this graph?

the toy car has a positive acceleration

the toy car has a constant speed

the toy car's speed is decreasing

the toy car has a negative acceleration

During a physics lab, students drops two objects from the same height. The first object has a mass of 2 kg, and the second object has a mass of 4 kg. Which of the following correctly evaluates the forces acting on the two objects as they fall?

the motion of the objects will only change when the net force is applied

the first object will exert a larger force because it has a smaller mass

the objects will exert the same amount of force upon impact with the ground

the frictional force is greater than the gravitational force acting on the objects

At the amusement park, a blue bumper car crashes into a read bumper car. Which of the following statements about their momentum is accurate?

the overall momentum stays the same before and after the collision

there is less overall momentum after the collision

the momentum of the red car is destroyed as it is hit

there is a greater overall momentum after the collision

An person (like you) that weighs 75 N on Earth weighs 190 N on Jupiter. *Which of the following explains why? *Hint... which planet is bigger?

the gravitational force is greater on Jupiter because it has a larger mass

the gravitational force is greater on Earth because it has a smaller mass

Objects on Jupiter experience less gravity due to fewer gases in the atmosphere

Objects on Jupiter experience more gravity due to more gases in the atmosphere

On an atomic scale, how does the strength of electric force compare to the strength of gravitational force? (*when things are super tiny, which force is stronger, electric or gravity?)

electric force is stronger than gravitational force

electric force is equal to gravitational force

gravitational force is stronger than electric force

scientists have not yet determined which force is stronger

The diagram outlines how nuclear power plants work. In the reactor: (1) uranium atoms split, releasing energy. (2) This energy heats water, (3) creating steam that (4) turns the generator to produce electricity Which of the following lists the energy transformation that are taking place?

nuclear energy → thermal energy → mechanical energy → electrical energy

chemical energy → thermal energy → potential energy → electrical energy

nuclear energy → mechanical energy → potential energy → electrical energy

chemical energy → mechanical energy → nuclear energy → electrical energy

Generators consist of an electric coil surrounded by a magnet. Which of the following explains the relationship between magnetic and electric forces?

Moving a magnet around an electric coil induces a current

Magnetic forces are strong enough to destroy electric forces

Magnetic forces are not strong enough to overcome electric forces

Moving a magnet around an electric coil destroys potential energy

Which of the following statements about radiation is accurate?

It is defined as heat transfer through empty space by infrared rays

It travels best through solid materials

It requires direct contact between molecules

It is responsible for the movement of water in ocean currents

What will happen to the brightness of the light bulbs on a series circuit if you add more lights to the circuit?

There is not enough information to determine the outcome

You and a friend are making waves with a large jump rope by moving the rope up and down at the two ends of the rope. As the waves move forward, they cancel each other out. Which of the following explains what you are observing?

the transverse waves are experiencing destructive interference

the transverse waves are experiencing diffraction

the longitudinal waves are experiencing diffraction

the longitudinal waves are experiencing destructive interference

IPC Year Review 2023-2024

Authored by Juan Campos

Science

9th Grade

NGSS covered

Used 4+ times

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45 questions

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MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Kinetic energy is the energy of:

Position

Motion

Rest

Height

Which of the following scenarios involves friction?

A ball rolling on a smooth floor

A book sliding down a ramp

A fish swimming in water

Both A and B

An object is in motion if:

It is changing its position over time

It is stationary

It is under balanced forces

It is heavy

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the effect of friction on the motion of objects?

It speeds them up

It slows them down

It changes their direction

It has no effect

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is true about balanced forces?

They cause an object to start moving

They cause an object to stop moving

They do not change the motion of an object

They always act in the same direction

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is NOT a type of force?

Gravity

Friction

Magnetism

Color

What is the formula for calculating the force applied to an object, according to Newton's Second Law of Motion?

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IPC Year Review 2023-2024

Kinetic energy is the energy of:

Which of the following scenarios involves friction?

An object is in motion if:

What is the effect of friction on the motion of objects?

Which of the following is true about balanced forces?

Which of the following is NOT a type of force?

What is the formula for calculating the force applied to an object, according to Newton's Second Law of Motion?

Select the description of motion from A - B.

When object is changing position it is called ______.

Your buddy Rich throws you a frisbee. It goes over your head and lands 120 m away. If the frisbee was in the air for 5 seconds after Rich threw it, what was its average velocity?

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