Thinking like a scientist
Students learn how to ask questions they can actually test, plan a fair experiment, and record what they notice. They practice using simple tools to measure and sketch what they see.
This is the year science shifts from watching the world to testing how it works. Students plan small investigations, collect data, and use that evidence to explain what they see, from how energy moves to how living things survive in their habitats. They also start thinking like engineers, building a design and then improving it after it fails. By spring, students can run a simple experiment and explain the results using what they observed.
Students learn how to ask questions they can actually test, plan a fair experiment, and record what they notice. They practice using simple tools to measure and sketch what they see.
Students explore what makes things move, speed up, or stop. They look at how energy travels through light, sound, and heat, and how a wave can carry a signal from one place to another.
Students study how plants and animals are built to survive and how they depend on each other for food and shelter. They trace where energy in a meal started and notice how traits pass from parents to offspring.
Students look at patterns in the sky, the seasons, and the layers of the planet. They see how rocks, water, and air shape the land, and how storms and droughts affect the people who live there.
Students take a real problem, sketch a few possible fixes, and build a simple version to test. They figure out what worked, change what did not, and explain their thinking with evidence.
Students learn to tell the difference between a question science can test and a problem engineering can fix. They practice shaping their curiosity into something that can actually be investigated or built.
Students build or draw a model to show how something in nature works or how a designed object is put together. The model helps explain what they observe or predict what might happen next.
Students plan simple experiments, collect data, and check whether their results support their original idea. This is how scientists test whether something they think is true actually holds up.
Students look at data from an experiment, spot patterns in the numbers or results, and explain what those patterns mean.
Students use numbers, measurements, and simple calculations to back up their science ideas. Instead of just describing what they observed, they show it with data.
Students take what they observed or measured and use it to explain why something happened or how a problem could be solved. The explanation has to connect back to real evidence, not just a guess.
Students look at two possible explanations or solutions, then use evidence to argue which one holds up better. Think of it as a science debate backed by data, not opinion.
Students read science articles or diagrams, decide what information matters, and explain their findings in writing or conversation using facts from what they read.
| Standard | Definition | Code |
|---|---|---|
| Asking Questions and Defining Problems | Students learn to tell the difference between a question science can test and a problem engineering can fix. They practice shaping their curiosity into something that can actually be investigated or built. | MD-SCI.SEP.4.1 |
| Developing and Using Models | Students build or draw a model to show how something in nature works or how a designed object is put together. The model helps explain what they observe or predict what might happen next. | MD-SCI.SEP.4.2 |
| Planning and Carrying Out Investigations | Students plan simple experiments, collect data, and check whether their results support their original idea. This is how scientists test whether something they think is true actually holds up. | MD-SCI.SEP.4.3 |
| Analyzing and Interpreting Data | Students look at data from an experiment, spot patterns in the numbers or results, and explain what those patterns mean. | MD-SCI.SEP.4.4 |
| Mathematics and Computational Thinking | Students use numbers, measurements, and simple calculations to back up their science ideas. Instead of just describing what they observed, they show it with data. | MD-SCI.SEP.4.5 |
| Constructing Explanations | Students take what they observed or measured and use it to explain why something happened or how a problem could be solved. The explanation has to connect back to real evidence, not just a guess. | MD-SCI.SEP.4.6 |
| Engaging in Argument from Evidence | Students look at two possible explanations or solutions, then use evidence to argue which one holds up better. Think of it as a science debate backed by data, not opinion. | MD-SCI.SEP.4.7 |
| Communicating Information | Students read science articles or diagrams, decide what information matters, and explain their findings in writing or conversation using facts from what they read. | MD-SCI.SEP.4.8 |
Students examine what everyday materials are made of and explore how tiny particles interact to explain why things melt, dissolve, or change state.
Students test how pushes and pulls change the speed or direction of objects, and explore why some things stay still while others move. The focus is on patterns that show up every time, not one-off results.
Students explore how energy moves from one place to another and changes form, like heat turning into light or motion. They also learn that energy is never lost, just shifted somewhere new.
Students explore how waves (like sound and light) carry energy and move information from one place to another. They investigate real examples, such as how a phone signal or a musical note travels.
| Standard | Definition | Code |
|---|---|---|
| Matter and Interactions | Students examine what everyday materials are made of and explore how tiny particles interact to explain why things melt, dissolve, or change state. | MD-SCI.PS.4.1 |
| Motion and Stability | Students test how pushes and pulls change the speed or direction of objects, and explore why some things stay still while others move. The focus is on patterns that show up every time, not one-off results. | MD-SCI.PS.4.2 |
| Energy | Students explore how energy moves from one place to another and changes form, like heat turning into light or motion. They also learn that energy is never lost, just shifted somewhere new. | MD-SCI.PS.4.3 |
| Waves and Information | Students explore how waves (like sound and light) carry energy and move information from one place to another. They investigate real examples, such as how a phone signal or a musical note travels. | MD-SCI.PS.4.4 |
Students examine how living things are built and how they work, from the tiny cells inside them to the larger systems those cells form, like a heart or a lung.
Students trace how food, water, and nutrients move through a living community, from plants to animals to decomposers. They also study how animals and plants depend on each other to survive.
Students look at how traits like eye color or height get passed from parents to offspring, and why siblings can look similar but not identical.
Students look at how different living things share basic traits while also being surprisingly varied, then explore why those differences matter for survival over time.
| Standard | Definition | Code |
|---|---|---|
| Structures and Processes | Students examine how living things are built and how they work, from the tiny cells inside them to the larger systems those cells form, like a heart or a lung. | MD-SCI.LS.4.1 |
| Ecosystems | Students trace how food, water, and nutrients move through a living community, from plants to animals to decomposers. They also study how animals and plants depend on each other to survive. | MD-SCI.LS.4.2 |
| Heredity | Students look at how traits like eye color or height get passed from parents to offspring, and why siblings can look similar but not identical. | MD-SCI.LS.4.3 |
| Biological Evolution | Students look at how different living things share basic traits while also being surprisingly varied, then explore why those differences matter for survival over time. | MD-SCI.LS.4.4 |
Students learn where Earth sits in the solar system and study patterns like the seasons and day-and-night cycle. They also look at clues in rocks and landforms that show how Earth has changed over a very long time.
Students study how Earth's land, water, air, and living things connect and affect each other. They look at what happens when one part changes, like how rainfall shapes the land or how plants slow erosion.
Students explore how things people do, like building roads or burning fuel, change the land, water, and air around them. They also look at how earthquakes, floods, and wildfires put communities at risk.
| Standard | Definition | Code |
|---|---|---|
| Earth's Place in the Universe | Students learn where Earth sits in the solar system and study patterns like the seasons and day-and-night cycle. They also look at clues in rocks and landforms that show how Earth has changed over a very long time. | MD-SCI.ESS.4.1 |
| Earth's Systems | Students study how Earth's land, water, air, and living things connect and affect each other. They look at what happens when one part changes, like how rainfall shapes the land or how plants slow erosion. | MD-SCI.ESS.4.2 |
| Earth and Human Activity | Students explore how things people do, like building roads or burning fuel, change the land, water, and air around them. They also look at how earthquakes, floods, and wildfires put communities at risk. | MD-SCI.ESS.4.3 |
Students identify a real problem, come up with ideas to fix it, then test their designs and improve them based on what they learn.
Students explore how new tools and inventions change daily life, and how people's needs shape what engineers build next.
| Standard | Definition | Code |
|---|---|---|
| Engineering Design | Students identify a real problem, come up with ideas to fix it, then test their designs and improve them based on what they learn. | MD-SCI.ETS.4.1 |
| Links Among Engineering, Technology, and Society | Students explore how new tools and inventions change daily life, and how people's needs shape what engineers build next. | MD-SCI.ETS.4.2 |
Federally administered sample-based assessment in reading, mathematics, science, and writing. NAEP results inform state-by-state comparisons rather than individual student or school accountability.
Students do real investigations across physical science, life science, and earth science. They ask questions, run small experiments, look at the data, and explain what they found. There is also an engineering thread where students design something, test it, and make it better.
Kitchens, sidewalks, and backyards work fine. Mix things and watch what happens, watch the moon for a week, drop different objects, or build a paper bridge that holds coins. Ask what they noticed and what they would try differently next time.
Students should be able to plan a simple experiment, record what they see, and use that evidence to explain why something happened. They should also be comfortable building a model or design, testing it, and changing it based on results.
Most teachers anchor each quarter in one strand: matter and energy, forces and motion, living systems, then earth and space. Engineering design fits inside each strand as the application. Practices like asking questions and analyzing data run through every unit, not as a separate unit.
Energy transfer, forces students cannot see (like gravity and friction), and the difference between weather and climate tend to need a second pass. Students also confuse traits that are inherited with traits that come from the environment. Build in time for a follow-up investigation rather than a re-lecture.
Not this year. Students are expected to figure things out from evidence, not recite definitions. If homework looks like a vocabulary list, ask what experiment or example goes with the word. The word sticks once it is tied to something students saw happen.
More than parents often expect. Students write explanations that use evidence from an investigation, and they argue for one idea over another using what the data showed. Short, clear sentences with specific evidence matter more than long paragraphs.
Ready students can read a short science passage or a simple graph and pull out what it shows. They can run a basic fair test, keep one thing changing while the rest stays the same, and explain their thinking with evidence instead of guesses.
Pick something odd you both notice, like ice melting faster on metal than on wood, and ask why. Try a small test together for ten minutes. The habit of noticing, asking, and testing is exactly what students practice in class.