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Worksheets🤗HW19: 10.26
Total questions: 105
Worksheet time: 3620secs
Match each of these parts with its corresponding part.
State of Matter, definite Shape, definite Volume.
Solid
State of Matter, indefinite Shape, definite Volume.
Liquid
State of Matter, indefinite Shape, indefinite Volume.
Gas
One Form of Matter.
State of Matter
Exactly Measurable.
Definite
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
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 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
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.
Balanced or NOT: 4HOCl + Cl2 ---> 2H2O + CO2 + 2Cl2
Balanced
NOT
H2SO4
How many Carbon atoms are in this compound? H2C3O4
Balanced or NOT: AlCl3 + 3H2O ---> Al(OH)3 + 3HCl
Balanced
NOT
H2C3O4N5
Match the term with its meaning.
Subscript
Lowered number in formula, indicates how many of each element is present.
Coefficient
Large number in FRONT of molecule, used as a multiplier.
Chemical Formula
Symbols and subscripts that tell what's in a molecule.
Symbol
The Letter Abbreviation of each Element - starts with a capital letter.
Bond
Interaction between 2 or more Elements' electrons.
Balanced or Not: 4KMnO4 → 2K2O + 4MnO + 5O2
Balanced
NOT
Correctly match each part with its correct match.
Outermost electrons, responsible for all chemical reactions.
Valence Electron
Two Types, Covalent or Ionic.
Bond
Shiny, Ductile, Malleable and Great Electrical Conductors.
Metal
Located to the RIGHT of the Metalloids, except for Hydrogen (H).
Non-Metal
Located on the Stair-Step: B, Si, Ge, As, Sb, Po, Te, At.
Metalloid
Ionic or Covalent: Al2O3
Ionic
Covalent
How many atoms are there TOTAL in: 5NaCl
10
15
2
Match each of these terms with the correct meaning.
Covalent Bond
Type of Bond, Sharing of Electrons.
Ionic Bond
Type of Bond, Transferring of Electrons.
Reactant
The start of a chemical reaction (LEFT).
Product
The end of a chemical reaction (RIGHT).
Chemical Equation
An expression that depicts a chemical reaction -
Start → End.
Balanced or NOT:
Balanced
NOT
What is the Law of Conservation of Mass?
It states that no matter can be created or destroyed.
It states that no energy can be created or destroyed.
It states that matter can be created or destroyed.
It states that no sound can be created or destroyed.
Ionic or Covalent: N2O5
Ionic
Covalent
Mg2As3COHNi2
Multiple Choice: What percentage should be your MINIMAL goal for all homework, activities and assessments in Science?
75%
80%
85%
100%
Non-Verbal Cues.
Match each of these non-verbal cues with the correct meaning.
Permission to speak
Quiet Please, Classmate.
Restroom
Tissue
Water
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
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 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
When methane (CH₄) burns in oxygen (O₂) to produce carbon dioxide (CO₂) and water (H₂O), which statement is true?
The number of hydrogen atoms is halved in the products
More carbon atoms are found in the products than in the reactants
The total number of oxygen atoms is different in the reactants and products
The number of atoms of each element is conserved throughout the reaction
In the equation CH₄ + 2O₂ → CO₂ + 2H₂O, how many oxygen atoms are on each side?
2 on the left, 2 on the right
4 on the left, 4 on the right
2 on the left, 4 on the right
4 on the left, 2 on the right
Why do we use coefficients (numbers in front of formulas) in chemical equations?
To make the equation look more complicated
To balance the number of each type of atom on both sides
To show which chemicals are more important
To indicate the temperature of the reaction
A student writes: 2Al + 3O₂ → Al₂O₃. Is this equation balanced?
Yes, it follows the Law of Conservation of Mass
No, there are different numbers of aluminum atoms on each side
No, there are different numbers of oxygen atoms on each side
Yes, because aluminum and oxygen react together
In a chemical reaction, atoms can:
Be created from nothing
Be destroyed completely
Change from one element to another
Rearrange to form new compounds
The equation Fe + O₂ → Fe₂O₃ is not balanced. What needs to be fixed?
Add coefficients to balance the number of each type of atom
Change the chemical formulas
Remove some atoms
Add new elements
For the reaction NaOH + HCl → NaCl + H₂O, a student counts: Left side: 1 Na, 1 O, 2 H, 1 Cl Right side: 1 Na, 1 Cl, 1 O, 2 H What can they conclude?
The equation is balanced
The equation needs more sodium
The equation needs more chlorine
The equation is impossible
