High School Science Review: Biology and Chemistry Foundations

High School Science Review: Biology and Chemistry Foundations

High School Science Review: Biology and Chemistry Foundations

This course reviews key grade 9–10 science topics: atomic structure, electrons, bonding and naming compounds, reaction types and balancing, and biology topics such as carbon and nitrogen cycles, ecosystems, trophic levels and energy transfer. Instruction combines whiteboard explanations, short videos and slides with practice worksheets and class discussion, plus a mini biodiversity project and presentations.

High School Science Review: Biology and Chemistry Foundations

Paid once.

Level
Beginner
Ages
11–16
Duration
50 min
Classes
1 / Week
Weeks
10

Class Experience

This course reviews key grade 9–10 science topics: atomic structure, electrons, bonding and naming compounds, reaction types and balancing, and biology topics such as carbon and nitrogen cycles, ecosystems, trophic levels and energy transfer. Instruction combines whiteboard explanations, short videos and slides with practice worksheets and class discussion, plus a mini biodiversity project and presentations.

Learning Outcomes

  • Describe atomic structure, electron shells, valence electrons and basic periodic table concepts

  • Form and name ionic and molecular compounds and explain basic bonding types

  • Balance and predict simple chemical reactions and apply conservation of mass

  • Explain carbon and nitrogen cycles and human impacts on ecosystems

  • Identify trophic levels and describe energy transfer through food chains

Available Times (0 available)

Choose a time that works best for you. All times are shown in Coordinated Universal Time.

Loading available class times…

Meet your Instructor

V. K. Padmini

Joined August, 2026

10+

Years

300+

Students

See Profile

With over 10 years of experience teaching biology and chemistry to grades 9–12, this educator focuses on building strong foundations in core scientific concepts. Lessons emphasize clear explanations, targeted practice, and conceptual connections between biology and chemistry. Ins…

Reviews

More Atomic Structure classes

Science of Everything: Atoms to Life, Earth and Space

Science of Everything: Atoms to Life, Earth and Space

Ayesha Pillai5.0

Ages 7–10 · 45 min · 1 / Week

$10.00per classSee schedule

Middle School Science: Full Curriculum for Grades 6-8

Middle School Science: Full Curriculum for Grades 6-8

Simran Sharma4.5

Ages 11–14 · 45 min · 1 / Week

$12.00per classSee schedule

Minecraft Chemistry: Build Atoms, Compounds & Reactions

Minecraft Chemistry: Build Atoms, Compounds & Reactions

Khushi Kumar4.9

Ages 10–13 · 55 min · 1 / Week

$12.00per classSee schedule

Grade 5 Science Full Curriculum: Matter, Space and Earth Systems

Grade 5 Science Full Curriculum: Matter, Space and Earth Systems

Mahima Reddy5.0

Ages 9–11 · 45 min · 1 / Week

$12.00per classSee schedule

Chemistry Foundations and Reactions: Grades 6-8

Chemistry Foundations and Reactions: Grades 6-8

Sneha Gupta4.5

Ages 11–14 · 45 min · 1 / Week

$11.00per classSee schedule

Introduction to College Chemistry I & II (Full-Year Review)

Introduction to College Chemistry I & II (Full-Year Review)

Ch. Satyavathi4.0

Ages 14–18 · 90 min · 2 / Week

$19.40per classSee schedule

Middle School Science Semester: Physics, Chemistry, Biology & Earth Science

Middle School Science Semester: Physics, Chemistry, Biology & Earth Science

Sharada Patil4.5

Ages 11–14 · 40 min · 2 / Week

$18.56per classSee schedule

Introduction to Chemistry — Atoms, Reactions, Periodic Table (Nearpod + Labs)

Introduction to Chemistry — Atoms, Reactions, Periodic Table (Nearpod + Labs)

Mary Lyngdoh4.6

Ages 11–16 · 45 min · 1 / Week

$15.67per classSee schedule

Science of Everything: Atoms to Life, Earth and Space
AP

Ayesha Pillai

5.0(1)

Science of Everything: Atoms to Life, Earth and Space

Beginner

Level

7–10

Ages

45 min

Duration

1 / Week

Classes

12

Weeks

$10.00per class
See schedule
Middle School Science: Full Curriculum for Grades 6-8
SS

Simran Sharma

4.5(10)

Middle School Science: Full Curriculum for Grades 6-8

Intermediate

Level

11–14

Ages

45 min

Duration

1 / Week

Classes

12

Weeks

$12.00per class
See schedule
Minecraft Chemistry: Build Atoms, Compounds & Reactions
KK

Khushi Kumar

4.9(8)

Minecraft Chemistry: Build Atoms, Compounds & Reactions

Beginner

Level

10–13

Ages

55 min

Duration

1 / Week

Classes

1

Weeks

$12.00per class
See schedule
Grade 5 Science Full Curriculum: Matter, Space and Earth Systems
MR

Mahima Reddy

5.0(4)

Grade 5 Science Full Curriculum: Matter, Space and Earth Systems

Beginner

Level

9–11

Ages

45 min

Duration

1 / Week

Classes

12

Weeks

$12.00per class
See schedule
Chemistry Foundations and Reactions: Grades 6-8
SG

Sneha Gupta

4.5(4)

Chemistry Foundations and Reactions: Grades 6-8

Beginner

Level

11–14

Ages

45 min

Duration

1 / Week

Classes

16

Weeks

$11.00per class
See schedule
Introduction to College Chemistry I & II (Full-Year Review)
CS

Ch. Satyavathi

4.0(3)

Introduction to College Chemistry I & II (Full-Year Review)

All Levels

Level

14–18

Ages

90 min

Duration

2 / Week

Classes

10

Weeks

$19.40per class
See schedule
Middle School Science Semester: Physics, Chemistry, Biology & Earth Science
SP

Sharada Patil

4.5(4)

Middle School Science Semester: Physics, Chemistry, Biology & Earth Science

Beginner

Level

11–14

Ages

40 min

Duration

2 / Week

Classes

9

Weeks

$18.56per class
See schedule
Introduction to Chemistry — Atoms, Reactions, Periodic Table (Nearpod + Labs)
ML

Mary Lyngdoh

4.6(60)

Introduction to Chemistry — Atoms, Reactions, Periodic Table (Nearpod + Labs)

Beginner

Level

11–16

Ages

45 min

Duration

1 / Week

Classes

12

Weeks

$15.67per class
See schedule