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Worksheets🚀10.15
Total questions: 110
Worksheet time: 1hrs 1mins
Multiple Choice: Who's the person MOST responsible for your academic success?
My Teacher(s)
My Parent(s)
My Principal(s)
Me
Multiple Choice: What percentage should be your MINIMAL goal for all homework, activities and assessments in Science?
75%
80%
85%
100%
Multiple Choice: Identify which represents, "Laptop under desk, unless teacher permission is granted"?
Multiple Choice: Identify which represents, "Water"?
Multiple Choice: Identify which represents, "Restroom"?
Multiple Choice: Identify which represents, "Please Be Quiet, Classmate"?
Multiple Choice: Identify which represents, "Permission to Speak"?
Multi-Select: Select the activities that will POSITIVELY impact your learning success.
Community Snacks - Class Distractions
Multi-Select: Select the activities that will POSITIVELY impact your learning success.
Multi-Select: Which of these Rules do we incorporate in our Class Environment?
Multi-Select: Select the activities that will NEGATIVELY impact your learning success.
Running in the Halls
Multi-Select: Select the activities that will NEGATIVELY impact your learning success.
Community Snacks - Class Distractions
Multi-Select: Select the activities that will NEGATIVELY impact your learning success.
Multi-Select: Select the activities that will POSITIVELY impact your learning success.
Non-Verbal Cues.
Match each of these non-verbal cues with the correct meaning.
Permission to speak
Quiet Please, Classmate.
Restroom
Tissue
Water
Match each of these terms with its definition.
Description of Matter.
Property
Action of Matter.
Change
Description of matter, indicates features of a sample of matter
Physical Property
Description of matter, depicts the ability of a sample of matter to participate in a reaction.
Chemical Property
Action of matter, results in the creation of a new substance.
Chemical Change
Match each of these parts with its corresponding part.
Outline of an object.
Shape
Amount of space something takes up.
Volume
Amount of amounts in an object.
Mass
Anything with mass and volume.
Matter
Exactly Measurable.
Definite
Which of these is a physical property (Select all that apply)?
state of matter
Which of these is a chemical property (Select all that apply)?
reactivity
Which are chemical properties (Select all that apply)?
flammability
odor change
Positively RIGHT vs. Negatively WRONG
Classify each of these items as a RIGHT choice or a WRONG choice.
Being Respectful of EVERYONE
Pushing YOUR SEAT under the Table after use.
Talking when the Teacher Talks.
Positively RIGHT vs. Negatively WRONG
Classify each of these items as a RIGHT choice or a WRONG choice.
Being Respectful of EVERYONE
Pushing YOUR SEAT under the Table after use.
Talking when the Teacher Talks.
Asking Ms. Hickson for Permission to Speak.
Positively RIGHT vs. Negatively WRONG*
Classify each of these items as a RIGHT choice or a WRONG choice.
Talking when the Teacher Talks.
Asking Ms. Hickson for Permission to Speak.
Coming to School Everyday.
NOT having a CHARGED Laptop.
A diagram shows particles arranged in a regular, repeating pattern. What can you infer about the temperature of this substance compared to its liquid state?
It is at a higher temperature
It is at a lower temperature
It is at the same temperature
Temperature cannot be determined
Given a diagram of water molecules moving from a fixed position to sliding past each other, what change of state is occurring?
Freezing
Melting
Condensation
Sublimation
A diagram shows a block of ice turning into water. What is the relative temperature change during this process?
Temperature decreases
Temperature stays the same
Temperature increases
Temperature cannot be determined
If you are given a diagram of particles in a solid, liquid, and gas, how can you determine which has the highest temperature?
The one with the most closely packed particles
The one with the most spread out and fastest moving particles
The one with the largest particles
The one with the most particles
Given a diagram of particles in a container, how would you determine if the substance is a solid?
Particles are far apart and move quickly
Particles are closely packed and vibrate in place
Particles are loosely packed and slide past each other
Particles are ionized and move rapidly
Which of the following described the properties of particles in solid? (Select all that apply).
Closely packed in orderly manner
Vibrate about fixed position
Very strong forces of attraction
Low kinetic energy
slide past each other
Which of the following described the properties of particles in liquid? (Select all that apply).
Closely packed in orderly manner
slide over each other
Vibrate about fixed position
Low kinetic energy
Closely packed in disorderly,random manner
Which of the following described the properties of particles in gas? (Select all that apply).
very far apart
move randomly at high speed in all direction
Vibrate about fixed position
high kinetic energy
Closely packed in disorderly,random manner
The slower particles of a substance moves, _____ (Select all that apply).
the colder the particles are.
the warmer the particles are.
the more energy it has.
the less energy it has.
Match each state of matter with its particle arrangement.
Solid
Liquid
Gas
This image shows three different phases of water. In which state are the molecules moving the fastest?
A
B
C
A and C
Which of the following described the properties of particles in solid? (Select all that apply).
Closely packed in orderly manner
Vibrate about fixed position
Very strong forces of attraction
Low kinetic energy
slide past each other
Which of the following described the properties of particles in liquid? (Select all that apply).
Closely packed in orderly manner
slide over each other
Vibrate about fixed position
Low kinetic energy
Closely packed in disorderly,random manner
Which of the following described the properties of particles in gas? (Select all that apply).
very far apart
move randomly at high speed in all direction
Vibrate about fixed position
high kinetic energy
Closely packed in disorderly,random manner
Which of these state changes result in heat (energy) being removed (Select all that apply)?
Gas to Solid
Solid to Liquid
Solid to Gas
Liquid to Gas
Liquid to Solid
Which of these statements is TRUE of Solids?
Molecules are tightly packed.
Takes the shape of its container.
Constantly keeps its shape.
Molecules are spread far apart.
Which of the following described the properties of particles in solid? (Select all that apply).
Closely packed in orderly manner
Vibrate about fixed position
Very strong forces of attraction
Low kinetic energy
slide past each other
Brad is comparing a ceramic cup to the hot water inside the ceramic cup and the water vapor above the cup. What can she say about the motion of the particles in all of the substances?
They do not move.
They are all always moving.
They all move past each other slowly.
They all move very fast in all directions.
Match each of the states of matter with its definition.
Definite Shape and Definite Volume.
Solid
Indefinite Shape and Definite Volume.
Liquid
Indefinite Shape and Indefinite Volume.
Gas
Which of these is a physical property (Select all that apply)?
state of matter (is it solid, liquid, or gas)
size
After mixing two clear liquids, a white solid forms and sinks to the bottom of the container. Which observation provides evidence that a chemical reaction has taken place?
The liquids are both clear
A solid forms that was not present before
The temperature of the mixture stays the same
The mixture can be separated by filtration
A student collects data on the mass and temperature of a mixture before and after a chemical reaction. The mass stays the same, but the temperature increases and a new gas is produced. What does this evidence suggest?
Only a physical change occurred
A chemical reaction occurred, producing new substances
The mixture was separated by physical means
The components of the mixture did not change
A student is given a table of substances and their properties. How can they determine which are chemical properties?
Look for properties that describe appearance
Look for properties that describe how substances react
Look for properties that describe mass and volume
Look for properties that describe state of matter
Given the following scenario: A student mixes two clear liquids and observes the formation of a solid. Using evidence, explain whether a chemical or physical change has occurred.
Physical change, because a new substance is not formed
Chemical change, because a new substance (solid) is formed
Physical change, because the liquids are still present
No change, because nothing happened
Box A has (a) density than box B. When placed in water, box A will likely (b) and box B will likely (c) .
Physical Change
Chopping Wood
Chemical change
Fire Burning
Chemical Change
Precipitate Forms
Physical Change
Condensation
Chemical change
Fizzing
What happens to the movement of the particles in a substance when the thermal energy is decreased (Select all that apply)?
Speed Up
Slow Down
They Spread Out.
They Get Closer Together.
What happens to the movement of the particles in a substance when the thermal energy is increased (Select all that apply)?
Speed Up
Slow Down
They Spread Out.
They Get Closer Together.
Changes
Sort each of these examples in the correct grouping. Physical and Chemical Changes.
State Changes
Identity stays the Same
May be Reversible
Action that will not result in an altering of identity.
Cutting Hair
All Cooking
Has Signs (Indicators)
Painting a Wall
Melting Ice Cream
Windows Condensating
Creates a NEW Substance
Grilling
Fizzing
Smoke Forming
Forming a Precipitate
pH Change
Automatic Color Change
Souring Milk
Rusting
Broken Glass
What state/phase is the object likely from points A to B?
Solid
Liquid
Gas
During a phase change, the temperature _____.
Labeling the Heating Curve.
Indicate the parts of this Heating Curve.
Place your Label on each numbered part.
L -> G (Boiling)
Solid
Liquid
Gas
S -> L (Melting)
Identifying the States of Matter.
Accurately select characteristics of each State of Matter.
Defintion: Definite, Definite
Definition: Indefinite, Definite
Definition: Indefinite, Indefinite
Particles: Packed Close
Movement: Vibrates
Intermolecular Force: Strongest
Temperature: Coolest
Particles: Loosely Touching
Movement: Slide Past One Another
Intermolecular Forces: Medium
Particles: Farthest apart
Movement: Zippy Bumper Cars
Intermolecular Forces: Weakest
Temperature: Warm
Temperature: Hottest
Labeling the State Change Triangle.
Indicate the parts of this State Change Triangle.
Place your Label on each numbered part.
Freezing
Sublimation
Deposition
Boiling/Evaporation
Condensation
Melting
What is the main purpose of chemical reactions in food?
To form new molecules that support growth and release energy
To make food taste better
To change the color of food
To make food last longer
Which of the following is NOT a result of breaking down food molecules in our body?
Producing sound
Building new cells
Releasing energy
Creating waste products
What happens to atoms as matter cycles through organisms?
Atoms rearrange but are never destroyed
Atoms disappear
Atoms multiply
Atoms turn into energy
Which of the following is the correct sequence for how food supports growth and energy?
Food molecules → Chemical reactions → New molecules → Growth + Energy
Growth + Energy → New molecules → Chemical reactions → Food molecules
Chemical reactions → Food molecules → Growth + Energy → New molecules
New molecules → Food molecules → Chemical reactions → Growth + Energy
Why is it important that atoms are never destroyed during chemical reactions in organisms?
Because matter cycles through organisms and supports life processes
Because atoms are expensive to replace
Because atoms are only found in food
Because atoms are needed for taste
What happens when atoms are arranged in different ways?
They always form the same substance.
They create different properties and substances.
They disappear.
They become smaller.
Why does understanding how atoms combine and rearrange matter in real life?
It helps us know how to draw atoms.
It helps us understand how medicines work and how new materials are created.
It helps us count atoms.
It helps us find atoms in the sky.
Which of the following best describes what happens during an exothermic reaction?
Energy is stored or absorbed
Energy is released
No energy change occurs
Only light is produced
Which process is an example of a chemical reaction that stores energy?
Photosynthesis in plants
Sweating
Breathing
Drinking water
The student wants to model a chemical reaction using marbles from Jar A and Jar B. Which table shows one possible combination of the number of marbles the student can use to show a reaction that follows the Law of Conservation of Mass?
Jar A: 5, Jar B: 5, Products: 5
Jar A: 10, Jar B: 3, Products: 9
Jar A: 4, Jar B: 3, Products: 7
Jar A: 2, Jar B: 8, Products: 6
Which model represents the change in state of dry ice at room temperature? Dry ice undergoes sublimation at room temperature.
[Model showing closely packed particles changing to widely spaced particles]
[Model showing loosely packed particles changing to closely packed particles]
[Model showing widely spaced particles changing to closely packed particles]
[Model showing loosely packed particles changing to widely spaced particles]
Which of the following changes are reversible physical changes?
Melting ice
Burning wood
Dissolving salt in water
Cutting paper
Rusting iron
A diagram shows a solid being heated and turning into a gas without becoming a liquid first. What is this process called?
Melting
Sublimation
Condensation
Freezing
Labeling the Heating Curve.
Indicate the parts of this Heating Curve.
Place your Label on each numbered part.
L -> G (Boiling)
Solid
Liquid
Gas
S -> L (Melting)
Match each term with its definition.
Solid
Definite Shape and Definite Volume
Liquid
Indefinite Shape and Definite Volume
Gas
Indefinite Shape and Indefinite Volume
Matter
Anything with Mass and Volume
Mass
Amount of Atoms
Which of these statements is TRUE of Liquids?
Molecules are tightly packed.
Takes the shape of its container.
Constantly keeps its shape.
Molecules are spread far apart.
Labeling the Cooling Curve.
Indicate the parts of this Cooling Curve.
Place your Label on each numbered part.
L -> S (Freezing)
G -> L (Condensation)
Solid
Liquid
Gas
Labeling the Triple-Point Diagram.
Indicate the parts of this Phase Diagram.
Place your Label on each lettered part.
Solid
Liquid
Triple-Point
Gas
Understanding the Atom's Structure.
Accurately identify the property of each subatomic particle.
Negatively charged subatomic.
e-
Located in the Electron Cloud.
Smallest of the three subatomics.
Positively charged subatomic.
p+
Located in the Nucleus with n0.
Unique to each element.
Neutrally charged subatomic.
n0
Located in the Nucleus with p+.
Does not affect the charge of the Nucleus.
Blue subatomic particle
Green subatomic particle
Red subatomic particle
What letter on the diagram represents the substance only in the gas phase?
A
B
C
D
What letter on the diagram represents a substance only in the solid phase?
A
B
C
D
What phase of matter exists in part C of the graph?
Gas
Liquid
Solid
Plasma
Gas particles in a container would most likely
spread far apart, filling the container completely.
lock in place, keeping a shape unlike the container.
remain close together, resting at the bottom of the container.
None of these.
Match the following.
Subatomic particle with +1 Charge.
Proton
Subatomic particle with -1 Charge.
Electron
Subatomic particle with 0 Charge.
Neutron
Center Region of Atom, Positively Charged.
Nucleus
Outer Region of Atom, Negatively Charged.
Electron Cloud
Where on the graph are phase changes taking place?
1
2
3
4
5
Which two phase changes happen because energy leaves or is removed from the substance?
Freezing
Condensation
Vaporization (Boiling/Evaporation)
Melting
Which of the following described the properties of particles in gas? (Select all that apply).
very far apart
move randomly at high speed in all direction
Vibrate about fixed position
high kinetic energy
Closely packed in disorderly,random manner
Match each of these state changes with its meaning.
State Change, Solid to Gas.
Sublimation
State Change, Gas to Solid.
Deposition
State Change, Gas to Liquid.
Condensation
State Change, Liquid to Gas (Artificial Heat).
Boiling
State Change, Liquid to Gas (Natural Heat).
Evaporation
Where on the graph are phase changes taking place?
1
2
3
4
5
Match the following.
Subatomic particle with +1 Charge.
Proton
Subatomic particle with -1 Charge.
Electron
Subatomic particle with 0 Charge.
Neutron
Center Region of Atom, Positively Charged.
Nucleus
Outer Region of Atom, Negatively Charged.
Electron Cloud
Which of the following described the properties of particles in gas? (Select all that apply).
very far apart
move randomly at high speed in all direction
Vibrate about fixed position
high kinetic energy
Closely packed in disorderly,random manner
Which of the following described the properties of particles in gas? (Select all that apply).
very far apart
move randomly at high speed in all direction
Vibrate about fixed position
high kinetic energy
Closely packed in disorderly,random manner
Which of the following described the properties of particles in liquid? (Select all that apply).
Closely packed in orderly manner
slide over each other
Vibrate about fixed position
Low kinetic energy
Closely packed in disorderly,random manner
Students are studying various forms of matter. They just finished studying soils, liquids, and gases. Now they must draw a model that represents their observations. Which model best represents what happens to gas molecules in a closed container?
Use this Image to Label the Parts of an Atom.
Comparable to each state of matter. Match each of the "temperatures" of its particles. THINK: Movement = Thermal Energy.
Gas
Hottest
Liquid
Medium Temperature
Solid
Coldest
Match the following
Gas
Solid
Liquid
Mass Number + Atomic Number= Neutrons
Mass Number x Atomic Number = Neutrons
Mass Number - Atomic Number = Neutrons
Mass Number + Number of Protons = Neutron
Which of the following best describes an endothermic process during a phase change?`
Heat is released as a substance freezes.
Heat is absorbed as a substance melts.
Heat is released as a substance condenses.
Heat is absorbed as a substance cools.
On a cooling curve, what happens to the energy of the particles as a substance freezes?
The energy increases.
The energy stays the same.
The energy decreases.
The energy disappears.
Which statement best describes what happens at the boiling point on a heating curve?
The substance is changing from liquid to gas.
The substance is changing from gas to liquid.
The temperature decreases.
The substance is changing from solid to liquid.
A student observes a heating curve and notices two flat sections. Explain what is happening to the substance during these flat sections and why the temperature does not increase.
The substance is cooling down rapidly.
The substance is undergoing two different phase changes, and energy is used to break intermolecular bonds rather than increase temperature.
The substance is evaporating and condensing at the same time.
The substance is losing energy to the environment.
A student claims that during boiling, the temperature of the liquid increases until all the liquid has turned to gas. Use your understanding of heating curves to explain whether this claim is correct or incorrect.
Correct, because energy always increases temperature.
Incorrect, because during boiling, the temperature remains constant as energy is used for the phase change.
Correct, because boiling is an endothermic process.
Incorrect, because the temperature decreases during boiling.
If you wanted to design an experiment to show the difference between endothermic and exothermic phase changes, which two processes would you choose and why?
Melting and freezing, because melting absorbs energy (endothermic) and freezing releases energy (exothermic)
Boiling and condensation, because both are endothermic
Melting and boiling, because both are exothermic
Freezing and condensation, because both absorb energy
Explain how energy transfer is different during the sloped (slanted) and flat portions of a heating.
Energy is only transferred during the sloped (slanted) portions.
During sloped (slanted) portions, energy increases temperature; during flat portions, energy changes the phase without changing temperature.
Energy is not transferred during the flat portions.
Energy is lost during sloped (slanted) portions and gained during flat portions.
A student is given a graph of a cooling curve and asked to label the sections where the substance is solid, liquid, and gas. What strategy should the student use to accurately label these sections?
Label the sections based on the order they appear on the graph.
Use the temperatures at the flat sections to identify phase changes, then label the sloped (slanted) sections between them as solid, liquid, or gas.
Guess based on the length of each section.
Label all sections as liquid.
What is the main difference between evaporation and boiling?
Evaporation occurs only at the boiling point, while boiling can happen at any temperature.
Boiling occurs throughout the liquid, while evaporation happens only at the surface.
Evaporation requires more energy than boiling.
Boiling does not involve energy transfer.
A student observes that when ice melts in a glass of water, the temperature of the water remains at 0∘ C until all the ice has melted. Explain why the temperature does not increase until all the ice is gone.
The ice absorbs energy, which is used to break the bonds between particles rather than increase temperature.
The water cools down as the ice melts.
The glass absorbs all the heat.
The air temperature keeps the water at 0∘ C.
A wet shirt dries faster on a windy day than on a calm day. Using your knowledge of phase changes and energy transfer, explain why this happens.
Wind increases the temperature of the shirt.
Wind removes water vapor, increasing the rate of evaporation.
Wind causes condensation on the shirt.
Wind freezes the water in the shirt.
Place these labels in the appropriate spots.
melting
boiling
liquid
