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KnovaKNOVA — A free reading app with curriculum-aligned passages on History & Science for Grades 3-8

Molecules to Organisms Reading Passages

KNOVA - A free reading app with curriculum-aligned passages on History & Science

Reading Results

Ants and Pheromones - reading educational content
Ants and Pheromones
This quiz is designed for 2nd and 3rd grade students to test their understanding of how ants communicate using pheromone...
RI.3.1RI.2.1
Mole's Digging - reading educational content
Mole's Digging
This passage addresses NGSS K-ESS2-2 by showing how moles unintentionally create beneficial environmental changes. Stude...
ESS2-2RL.1.1
What Would Happen If Bees Went Extinct? - reading educational content
What Would Happen If Bees Went Extinct?
This passage examines the potential consequences of bee extinction, perfectly aligned with NGSS standard MS-LS2-4 on eco...
MS-LS2-4RI.6.3RI.7.3RI.8.8
What does the Optic Nerve Do - reading educational content
What does the Optic Nerve Do
"This reading passage explores the crucial role of the optic nerve in human vision, a core concept in life science for m...
What does the Sympathetic Nervous System do - reading educational content
What does the Sympathetic Nervous System do
"This science passage provides a clear, comprehensive overview of the sympathetic nervous system and its role in the 'fi...
How do Amphibians Breathe? - reading educational content
How do Amphibians Breathe?
This comprehensive science passage, suitable for middle school students, explores the fascinating topic of amphibian res...
How do Bacteria Use Acids to Spoil Food? - reading educational content
How do Bacteria Use Acids to Spoil Food?
"This science reading passage, titled 'How Bacteria Use Acids to Spoil Food,' is designed for middle school students to ...
Do Frogs Have Lungs - reading educational content
Do Frogs Have Lungs
"This comprehensive reading passage explains the fascinating respiratory system of frogs and other amphibians. It detail...
What is an Abiotic Factor? - reading educational content
What is an Abiotic Factor?
This audio integrated reading passage explains abiotic factors for 4th-grade students in clear, simple terms. Students w...
What is an Estuary? - reading educational content
What is an Estuary?
This science passage introduces students to estuaries, unique ecosystems where freshwater and saltwater meet. Students l...
Five Major Types of Estuaries - reading educational content
Five Major Types of Estuaries
This audio integrated reading passage teaches students about the five major types of estuaries: coastal plain, tectonic,...
Biotic and Abiotic Factors - reading educational content
Biotic and Abiotic Factors
This educational reading passage, designed for 4th-grade students, introduces the concept of abiotic factors in an ecosy...
What is Bioaccumulation - reading educational content
What is Bioaccumulation
This engaging 4th-grade science reading passage, with audio integration, introduces students to the important ecological...
Why Do We Blink? - reading educational content
Why Do We Blink?
This educational reading passage, "The Science of Blinking," is designed for a 4th-grade audience to explain the simple ...
The Cytoplasm: The Cell's Inner World  - reading educational content
The Cytoplasm: The Cell's Inner World
This reading passage, on the Cytoplasm is designed for middle school students and aligns with the NGSS standard MS-LS1-2...
Aerobic Organisms - reading educational content
Aerobic Organisms
This engaging, audio-integrated reading passage, titled 'Aerobic Organisms: The Breath of Life,' introduces students to ...
Aerobic Respiration - reading educational content
Aerobic Respiration
This educational passage, audio integrated for diverse learning styles, introduces students to aerobic respiration, a fu...
What Is Biomagnification - reading educational content
What Is Biomagnification
This educational passage, 'What Is Biomagnification,' delves into the fascinating and critical concept of how pollutants...
The Seed Germination Process - reading educational content
The Seed Germination Process
This educational reading passage, 'The Seed Germination Process,' explains how seeds grow into new plants, aligning with...
Conditions for Germination - reading educational content
Conditions for Germination
This educational content features an audio-integrated reading passage titled "Conditions for Germination," designed for ...
Seed Dormancy vs. Germination - reading educational content
Seed Dormancy vs. Germination
This educational passage, 'Seed Dormancy vs. Germination,' is designed for Grade 6 students to understand the fascinatin...
Anaerobic Respiration - reading educational content
Anaerobic Respiration
This educational passage explores anaerobic respiration, a fascinating process where cells produce energy without the ne...
What Is An Autotroph? - reading educational content
What Is An Autotroph?
Dive into the fascinating world of autotrophs with this engaging, audio-integrated reading passage designed for Grade 6 ...
The Life Cycle of a Giant Panda - reading educational content
The Life Cycle of a Giant Panda
This engaging, audio-integrated reading passage, titled "The Life Cycle of a Giant Panda," explores the fascinating stag...
What Do Giant Isopod Eat - reading educational content
What Do Giant Isopod Eat
This engaging passage, ideal for Grade 5 learners and audio integrated, delves into the fascinating world of the giant i...
Gharial vs. Crocodile vs. Alligator - reading educational content
Gharial vs. Crocodile vs. Alligator
This engaging passage, 'Gharial vs. Crocodile vs. Alligator,' delves into the fascinating world of these distinct reptil...
What Is Bioluminescence? - reading educational content
What Is Bioluminescence?
Dive into the enchanting world of bioluminescence with this engaging reading passage, perfect for Grade 6 students. Disc...
Asexual Reproduction in Bacteria - reading educational content
Asexual Reproduction in Bacteria
This audio-integrated passage for Grade 6 students delves into the fascinating world of asexual reproduction in bacteria...
How the Barreleye Fish Sees - reading educational content
How the Barreleye Fish Sees
Dive into the fascinating world of the barreleye fish and discover its extraordinary eyes. This passage, designed for Gr...
Barnacles and Biofouling - reading educational content
Barnacles and Biofouling
This engaging, audio-integrated reading passage, 'Barnacles and Biofouling,' delves into the fascinating world of how ti...
Bacteria: Prokaryotic Cell Structure - reading educational content
Bacteria: Prokaryotic Cell Structure
This engaging and audio-integrated reading passage, 'Bacteria: Prokaryotic Cell Structure,' introduces 6th-grade student...
Are Plants Autotrophs? - reading educational content
Are Plants Autotrophs?
This engaging, audio-integrated reading passage for Grade 6 explores the fascinating world of plants as autotrophs. Stud...
Aortic Pathway - reading educational content
Aortic Pathway
This engaging, audio-integrated reading passage, 'Aortic Pathway,' introduces Grade 6 students to the crucial role of th...
Stamen Anatomy - reading educational content
Stamen Anatomy
This engaging, audio-integrated reading passage for Grade 6 introduces students to the fascinating world of plant reprod...
Gymnosperms vs Angiosperms - reading educational content
Gymnosperms vs Angiosperms
This audio-integrated reading passage, 'Angiosperms vs. Gymnosperms,' introduces students to the two major groups of see...
Sense of Balance and Proprioception - reading educational content
Sense of Balance and Proprioception
This audio-integrated passage, 'Sense of Balance and Proprioception,' delves into the fascinating ways our bodies mainta...
The Nervous System and Sensory Receptors - reading educational content
The Nervous System and Sensory Receptors
This educational content, audio integrated, provides a reading passage for 6th graders on 'The Nervous System and Sensor...
Is Algae A Plant - reading educational content
Is Algae A Plant
This engaging passage, 'Is Algae A Plant?', delves into the intriguing world of classification, helping students underst...
Uses Of Algae - reading educational content
Uses Of Algae
This educational reading passage, 'Uses Of Algae,' explores the fascinating world of algae and their vital contributions...
Anaerobic Respiration in Yeast - reading educational content
Anaerobic Respiration in Yeast
This educational content features an audio-integrated reading passage titled 'Anaerobic Respiration in Yeast,' designed ...
From Cells to Organisms - reading educational content
From Cells to Organisms
This educational passage, "From Cells to Organisms," explores the fundamental concept of how living things are built, st...
The Aorta: Molecules to Organisms of the Body's Largest Artery - reading educational content
The Aorta: Molecules to Organisms of the Body's Largest Artery
This educational content features a fascinating reading passage, audio integrated for an enhanced learning experience, a...
How Anatomical Structures Provide Evidence for Evolution - reading educational content
How Anatomical Structures Provide Evidence for Evolution
This educational passage, integrated with audio, explores 'How Anatomical Structures Provide Evidence for Evolution,' al...
From Senses to Actions - reading educational content
From Senses to Actions
This Grade 4-5 science passage, 'From Senses to Actions,' explores how our senses work together with the brain and body ...
What Are Reflexes and Why Matter - reading educational content
What Are Reflexes and Why Matter
This engaging science reading passage for Grade 4-5 students explains what reflexes are, how they work, and why they are...
How Your Ears Help You Balance - reading educational content
How Your Ears Help You Balance
This engaging Grade 4-5 science passage explains how your ears do more than help you hear—they also help you keep your b...
How Taste and Smell Work Together - reading educational content
How Taste and Smell Work Together
This engaging science passage for Grades 4-5 explains how the senses of taste and smell work together in the human body....
Dogs and Their Super Smelling Power - reading educational content
Dogs and Their Super Smelling Power
This engaging science passage, aligned with NGSS standards for Grades 4-5, explores the fascinating topic of dogs and th...
How Owls See in the Dark - reading educational content
How Owls See in the Dark
This science passage, designed for grades 4-5 and aligned with NGSS standards, explores how owls see in the dark. Studen...
Eagles and Their Super Sharp Vision - reading educational content
Eagles and Their Super Sharp Vision
This engaging science passage, designed for Grade 4-5 students and aligned to NGSS standards, explores the extraordinary...
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