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What does a student learn in ?

This is the stretch when science stops being about memorizing facts and starts being about building explanations from evidence. Students dig into how atoms make up matter, how energy moves through living things, and how forces shape everything from a thrown ball to a planet's orbit. They run real investigations, argue from data, and use math to back up their claims. By spring, students can read a science article, judge the evidence behind it, and explain whether the conclusion holds up.

  • Atoms and matter
  • Forces and motion
  • Energy
  • Cells and ecosystems
  • Genetics and evolution
  • Earth and space
  • Lab investigations
Source: Illinois Illinois Learning Standards
Year at a glance
How the year usually goes. Every school and district set their own curriculum, so treat this as a guide, not official pacing.
  1. 1

    Thinking like a scientist

    Students learn how scientists actually work. They ask testable questions, run experiments, look at data for patterns, and back up their claims with evidence instead of opinion.

  2. 2

    Matter, forces, and energy

    Students study what everything is made of and how it moves. They look at atoms, push and pull, energy changing forms, and how sound and light carry energy from one place to another.

  3. 3

    Living things and ecosystems

    Students explore how bodies work from a single cell up to whole organ systems. They follow energy through food webs, study how traits pass from parents to children, and look at how species change over long stretches of time.

  4. 4

    Earth, space, and climate

    Students zoom out to Earth and the solar system. They study rocks, oceans, weather, and how human choices like burning fuel or building cities change the planet over time.

  5. 5

    Engineering and design

    Students take on real problems and design solutions. They sketch ideas, build and test prototypes, and improve their designs based on what works and what fails.

Mastery Learning Standards
The required skills a student should display by the end of Grade 9.
Science and Engineering Practices
  • Asking Questions and Defining Problems

    High School

    Students practice turning a curiosity or real-world problem into a testable question, one specific enough that data or an experiment could actually answer it.

  • Developing and Using Models

    High School

    Students build diagrams, simulations, or physical models to show how a system or process works, then use those models to explain patterns or test ideas.

  • Planning and Carrying Out Investigations

    High School

    Students design and run experiments to collect real data and see whether their ideas hold up. The work includes deciding what to test, how to measure it, and what the results actually show.

  • Analyzing and Interpreting Data

    High School

    Students look at data from experiments or research, spot patterns, and explain what those patterns actually mean. The focus is on reading a graph or table closely enough to draw a real conclusion, not just describe what's there.

  • Mathematics and Computational Thinking

    High School

    Students apply math skills to support scientific arguments, using calculations, graphs, or data to explain why something happens or predict what will happen next.

  • Constructing Explanations

    High School

    Students build written explanations for what they observe, then back each claim with data or a scientific principle. The explanation has to hold up, not just sound right.

  • Engaging in Argument from Evidence

    High School

    Students look at two or more competing scientific explanations or engineering solutions and decide which one the evidence best supports. They back up their position with data, not just opinion.

  • Communicating Information

    High School

    Students read scientific sources, judge whether the information holds up, and explain their findings clearly to others. This practice runs through every science course.

Physical Science
  • Matter and Interactions

    High School

    Students investigate how atoms and molecules behave and interact to explain everyday physical phenomena, like why substances change state or react with other materials.

  • Motion and Stability

    High School

    Students study how forces cause objects to speed up, slow down, or change direction, then apply Newton's laws and conservation of energy or momentum to explain why things move the way they do.

  • High School

    Students trace how energy changes form and moves from one place to another, and show that the total amount of energy in a closed system stays the same even as it shifts.

  • Waves and Information

    High School

    Students study how waves carry energy and information from one place to another. They look at real applications like radio signals, medical imaging, and fiber optic cables to understand how wave properties make those technologies work.

Life Science
  • Structures and Processes

    High School

    Students examine how living things are built and how they work, from the smallest cell up to full body systems like the heart and lungs working together.

  • High School

    Students trace how energy flows through a food web and how matter like carbon or water cycles back through living things and the environment. They also study how organisms in a community compete, cooperate, or depend on each other to survive.

  • High School

    Students study how traits like eye color or height pass from parents to offspring, and why siblings can look different even with the same parents.

  • Biological Evolution

    High School

    Students study why all living things share certain traits while still looking remarkably different from one another. They dig into how populations change over generations through natural selection, mutation, and other forces that shape life on Earth.

Earth and Space Science
  • Earth's Place in the Universe

    High School

    Students study where Earth sits in the solar system and how it moves, then trace billions of years of Earth's history to understand how our planet got to where it is today.

  • Earth's Systems

    High School

    Students study how Earth's major systems (rock and soil, oceans and rivers, air, and living things) shape and influence each other. A volcanic eruption affecting rainfall or a river reshaping a coastline are the kinds of connections students explore.

  • Earth and Human Activity

    High School

    Students examine how things like farming, cities, and energy use change the land, water, and air around them. They also look at how earthquakes, floods, and other natural events shape where and how people live.

Engineering, Technology, and Applications of Science
  • Engineering Design

    High School

    Students identify a real problem, brainstorm solutions, then build and test a design until it works better. The focus is on repeating that cycle of test, fix, and improve.

  • Links Among Engineering, Technology, and Society

    High School

    Engineering shapes everyday life, and everyday life shapes engineering. Students explore how new tools and systems change society, and how social needs push engineers to solve new problems.

Assessments
The state tests students at this grade and subject take.
State Summative

Illinois Science Assessment (Biology)

ISA Biology is administered once in high school after a biology course.

When given:
by course completion
Frequency:
once in high school
Official source
Common Questions
  • What does high school science cover overall?

    Students work across physics, chemistry, biology, and earth and space science, usually one each year. They also build habits that cut across all four: asking questions, running investigations, analyzing data, and arguing from evidence. The same practices show up whether the topic is forces, cells, or climate.

  • How can I help at home if my student says science is too hard?

    Ask them to explain one idea from class out loud, the way they would to a younger sibling. If they get stuck, that is the exact spot to reread or ask the teacher about. Five minutes of explaining beats an hour of rereading the textbook.

  • My student is strong in class but struggles on tests. What is going on?

    High school science tests often ask students to use what they know in a new situation, not just recall facts. Practice with old free-response questions and lab scenarios helps more than flashcards. Ask the teacher for a few sample problems to work through at home.

  • Do students still need to memorize facts, or is it all inquiry now?

    Both. Students need core facts in their head, like the parts of a cell or Newton's laws, so they can reason quickly. But the bigger goal is using those facts to explain real phenomena and evaluate claims. Plan for short retrieval practice alongside longer investigations.

  • How should I sequence labs across the year?

    Start with shorter, more structured labs so students learn the routines: a clear question, a plan, clean data, and a written claim. Then open them up. By spring, students should be designing parts of the investigation themselves and defending their choices with evidence.

  • Which science practices usually need the most reteaching?

    Analyzing data and arguing from evidence are the two that lag. Students can collect data and state an opinion, but tying a specific data point to a specific claim is harder. Build in short weekly tasks where students have to point at the evidence behind their answer.

  • How do I know my student is ready for college science?

    By the end of high school, students should be able to read a science article or graph, explain what it shows, and say whether the conclusion is supported. They should also be comfortable with basic algebra in a science problem. If those feel shaky, that is where to focus senior year.

  • What can we talk about at home that actually helps?

    Pick one science story from the news each week, like a weather event, a new medicine, or a space mission. Ask what evidence the article gives and what is still unknown. That habit builds the same reasoning skills tested in class.

  • How much math should I expect in science class?

    Quite a bit. Students use ratios, graphs, and basic algebra in physics and chemistry, and statistics show up in biology and earth science. If math is a weak spot, flag it early so the teacher can pair math support with the science content.