Grade 5 Science at Home: 16 Standards, and the Last Graded Year

Grade 5 science is 16 NGSS standards, and it is the last year NGSS names a grade at all. From grade 6 onward the standards stop being annual: everything for grades 6, 7 and 8 sits on a single band of 59 standards with no year labels inside it. Grade 5 is the last time you can plan a science year by looking up one number, which is a good reason to finish it deliberately rather than let it dissolve into middle school.

Like grade 3 and grade 4, every standard is a verb. Grade 5 has a favorite one: three standards begin with the words “support an argument that”, and they are the only three in the year that do. Those three are also, exactly, the three hardest things in grade 5 science. That is not a coincidence, and the section below is built on it.

The year runs about 65 to 95 hours at home, best in two 45-minute blocks a week rather than daily slices.

The 16 standards

Thirteen carry a grade 5 label. The other three are the 3-5-ETS1 engineering design standards, on their third and final outing: the band ends here, and grades 6 to 8 use a different set of four coded MS-ETS1.

The shape is different from grade 4. Grade 4 was seven standards of physics stacked in one place; grade 5 spreads thin, with six of the nine topics holding one or two standards each. The one real block is matter, four standards, and it carries more weight than its size suggests because it is where the particle model arrives.

The three hard ones, and why NGSS flags them

NGSS uses “support an argument that” where a child is expected to arrive holding the opposite belief. You do not argue for something nobody doubts. All three of grade 5’s argument standards target a specific, well-documented, extremely stubborn misconception, and each one produces a wrong answer you can hear at the kitchen table in about thirty seconds.

5-LS1-1, where a plant’s material comes from

Support an argument that plants get the materials they need for growth chiefly from air and water.

The misconception: that plants eat soil, and that a tree is made of what was taken out of the ground.

The wrong answer it produces: point at a large tree and ask where all that wood came from. The child says “the dirt”, or sometimes “the fertilizer”. Ask what would happen to the size of the hole if you could pull the tree out and they expect a tree-sized hole. Almost every adult gets this wrong too.

The reteach: weigh dry soil in a pot, plant a seed, then water and light only, nothing else. Months later, weigh the soil again. The plant is heavy and the soil is very nearly unchanged. If you do not have months, do it in a jar: a bean sprouts on damp cotton with no soil at all and gains real, weighable tissue. Then ask the only question that matters: if it did not come from the soil, where did it come from? Air and water are the last candidates standing, and the child has just argued their way there, which is the standard.

5-PS2-1, which way is down

Support an argument that the gravitational force exerted by Earth on objects is directed down.

The misconception: that “down” is a fixed direction in the universe rather than a direction toward the middle of the planet you are standing on.

The wrong answer it produces: hand a child a globe and ask them to draw a person standing in Australia. They draw the figure head-up relative to the page, floating off the underside of the globe, or they draw it correctly and then say the person would fall off. Ask which way a ball drops in Australia and a lot of ten-year-olds point outward, into space.

The reteach: a circle on paper with stick figures spaced around its edge, all of them feet-on. Then one arrow from each pair of feet, all pointing to the middle of the circle. That drawing is the argument. Retire the word “down” for a week and say “toward the middle” instead, then bring it back and let the child explain why the two mean the same thing here and not everywhere.

5-ESS1-1, why the sun looks different from the other stars

Support an argument that differences in the apparent brightness of the sun compared to other stars is due to their relative distances from Earth.

The misconception: that the sun is a different kind of object from a star, or that brightness is a property of an object rather than a fact about how far away it is.

The wrong answer it produces: ask whether the sun is bigger than the stars and the child says yes, confidently. Ask what a star is and you get “a tiny light”. Both come from taking what the sky looks like as a description of what is there.

The reteach: two identical flashlights in a dark hallway, one held near, one carried to the far end. Same bulb, same battery, wildly different brightness. Nothing about the flashlight changed, so brightness cannot be a property of the flashlight. Then the sentence that lands the standard: the sun is an ordinary star that happens to be extremely close, and every point of light in the night sky is another one.

The particle model, which is the real content of the year

The four matter standards are the ground floor of every chemistry lesson the child will ever have. 5-PS1-1 asks for a model describing that matter is made of particles too small to be seen, and once that idea is in place the other three are consequences of it.

• 5-PS1-2, conservation. Weight is conserved when substances are heated, cooled or mixed. This is the one that fails. Stir sugar into water and ask where the sugar went: the standard answer at ten is “it disappeared”. Do it on a kitchen scale with a lid on, weigh before and after, and let the unchanged number do the arguing. Dissolving is a particle spreading out, not a thing ceasing to exist.
• 5-PS1-3, identifying materials by properties. The easiest standard in the year and a good confidence break. Hardness, conductivity, magnetism, whether it floats.
• 5-PS1-4, new substances. Mixing that produces something genuinely different. Baking soda and vinegar is the obvious one, but do a control alongside it, because the point is the difference between a mixture and a new substance, not the fizz.

Two more standards quietly belong to this thread. 5-LS2-1 (matter moving among plants, animals, decomposers and the environment) and 5-PS3-1 (the energy in an animal’s food was once energy from the sun) are both about following material and energy rather than watching an event. Teach them after the matter block and they take half the time.

A note for whoever teaches the math

5-ESS2-2 asks the child to describe and graph the amounts and percentages of water and fresh water in various reservoirs. No grade 5 Common Core math standard covers percent: it arrives with the ratio work in grade 6. So a science standard is asking for arithmetic the math sequence has not taught yet.

This is not a mistake in either document, and it is not a reason to skip the standard. Do it as a hundred-square: 100 tiles for all the water on Earth, and let the child physically separate the ones that are fresh, then the ones that are liquid and reachable. They will have met percent as “out of a hundred” before it ever appears in a math book, which makes grade 6 easier rather than harder.

The engineering standards, last time on this band

The three 3-5-ETS1 standards are the same ones from grades 3 and 4, and this is the last year they apply. Grades 6 to 8 use MS-ETS1, four standards rather than three, and the extra one asks for a model that generates data for iterative testing. The step up is real.

So run grade 5’s design project as a rehearsal for that. 3-5-ETS1-3 already asks for fair tests with controlled variables and identified failure points, which is most of the way there. Pick a problem the child can test more than once: insulating a cup, a boat that carries load, a filter that cleans muddy water. The water filter pairs neatly with 5-ESS3-1 and 5-ESS2-2 and covers three standards in one project.

The usual warning applies for the third and final time: these standards are filed under the band, not the grade, so a search for grade 5 standards returns 13, not 16.

How long this actually takes at home

About 65 to 95 hours. Where it goes:

• Investigations and building: a little under half. The matter standards and the design project are the bulk of it.
• Argument and explanation: about a third, which is more than grades 3 and 4 and is the reason this year needs talking time rather than worksheet time.
• Modeling, graphing and recording fills the rest.

What to cut when it runs long. 5-ESS3-1 (how communities protect resources) and 5-ESS1-2 (graphing shadow, day length and seasonal star patterns) both compress well, and 5-ESS1-2 in particular can ride along as a five-minute observation once a week instead of a unit. Do not cut the three argument standards or 5-PS1-2. Those four are the year.

Readiness check

1. Did the grade 4 energy work happen? 5-PS3-1 assumes energy is something that moves rather than something that gets used up. If a child still says a rolling ball “ran out of energy”, repair that before starting.
2. Can they graph and read a table? Three standards ask for graphical displays or measured quantities. This is grade 5 math territory (line plots, measurement conversion), so if math is running behind, expect science to feel harder than it is.
3. Have they run a controlled test? If grades 3 and 4 skipped the engineering band, teach fair testing here, because the middle school version assumes it.

A sequence for a flexible year

1. Particles (5-PS1-1), the model everything else hangs on.
2. Conservation (5-PS1-2), with the scale and the lid, immediately after.
3. Properties and new substances (5-PS1-3, 5-PS1-4), the hands-on pair.
4. Where plants get their material (5-LS1-1). Start the pot-of-soil experiment early in the year so it has months to run, and do the jar version alongside it.
5. Matter through an ecosystem (5-LS2-1) and food energy from the sun (5-PS3-1), which follow directly from the plant argument.
6. Gravity and which way is down (5-PS2-1), the globe and the circle of stick figures.
7. Stars and brightness (5-ESS1-1), the two flashlights, then shadows, day length and seasonal stars (5-ESS1-2) as a running observation.
8. Earth’s spheres and water distribution (5-ESS2-1, 5-ESS2-2), with the hundred-square.
9. The design project (3-5-ETS1-1 to 3, plus 5-ESS3-1), the water filter or equivalent, saved for late in the year so the matter work feeds it.

The split-grade case

Grade 5 is the easiest year in elementary science to combine, and the last easy one for a while.

• The 3-5-ETS1 band covers three grades. A child in grade 3, one in grade 4 and one in grade 5 can work on the same design project and each be meeting their own standard. This is the last year that is true.
• The three argument standards work upward. A grade 3 sibling listening to the plant argument loses nothing, and an older sibling can be pushed to explain the mechanism.
• Reading is not the gate. As in grades 3 and 4, read the material aloud and a child well behind in reading still meets every science standard.

The one thing that does gate is math, not reading. The graphing and percentage work in 5-ESS2-2 and 5-PS1-2 needs a child who can handle a table of measurements. A child working two grades below in math should do those two with you rather than alone.

Evidence and records for this grade

Grade 5 is a testing year in Pennsylvania, which tests in grades 3, 5 and 8. It is not one in North Dakota, where the years are 4, 6, 8 and 10. Testing grades vary by state and so do the subjects, so check your own rather than assuming. Where science is not tested, the portfolio is the only record of it.

Worth keeping:

1. The soil experiment, dated at both ends. Two weights, months apart, with the child’s written conclusion. It is the single best artifact in elementary science and it costs you a pot and a bean.
2. The three arguments in the child’s own words. A few sentences each on plants, gravity and starlight. The standard is the argument, so the argument is the evidence.
3. The design project across its cycle. First attempt, what failed, what changed, retested. Same rule as grade 4: a finished object with no record of the iteration does not meet the standard.

See what goes in a homeschool portfolio, and printable packs when you need dated paper out of a subject that mostly produces photographs.

The honest summary

Sixteen standards, about 80 hours, and the last year NGSS will hand you a grade number. Four of the thirteen are matter, and the particle model they build is the thing middle school chemistry assumes you already have.

The rest of the year is three arguments, and NGSS tells you which three by using the same three words. Plants are built from air and water, not soil. Down means toward the middle of the planet. The sun looks different because it is near. Get those three and the year is done, and the child walks into the 6-8 band holding the ideas it is built on.

The other grade 5 guides are math and English, the previous science year is grade 4 science, and if you want the method behind all of these pages rather than one year of it, start with what a scope and sequence actually is.

Sprout Lessons builds standards-aligned lessons for grades K–12. Start free.

Next Generation Science Standards © 2013 Achieve, Inc. NGSS is a registered trademark of WestEd; this product is not endorsed by WestEd or the lead states. Accessed via the Common Standards Project (accessed 2026-07-16). Standard counts in this guide were taken from that dataset, not written from memory. Not every state has adopted NGSS: check your state department of education for the standards that apply to you.

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