Science Worksheets
Updated October 2026 · 12 free printables
Hands-on science worksheets for kindergarten, 1st and 2nd grade: label the parts of a plant and a flower, put plant, butterfly and frog life cycles in order, sort living and non-living things, match seasons to clothes, keep a weekly weather chart, name the planets in order, test sink or float and explore the five senses.
Every worksheet is a 2-page PDF with an answer key on page 2. Several are cut-and-paste or simple experiments, so kids learn by doing.
All 12 Science Worksheets, One by One
Here is a closer look at every page in this collection: what it practices, which grade it fits and a tip for each one. 5 of them belong to a smaller theme and are described there instead.
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1. Plant Life Cycle Cut and Paste
Download PDF + answer key · View page · More in Life Cycle Worksheets and Coloring Pages
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2. Match the Season to the Clothes
Download PDF + answer key · View page · More in Weather and Seasons Worksheets and Coloring Pages
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3. Living or Non-Living? Sort the Pictures
A free printable living or non-living? sort the pictures science worksheet with an answer key on page 2. Living things grow, eat, breathe and have babies. Circle L for living or N for non-living. Made for kindergarten science at home or in class. Big pictures and only a few tasks per page make it a gentle start for kindergartners.
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4. My Weekly Weather Chart
Download PDF + answer key · View page · More in Weather and Seasons Worksheets and Coloring Pages
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5. What Do Animals Eat? Matching
A free printable what do animals eat? matching science worksheet with an answer key on page 2. Draw a line from each animal to the food it likes to eat. Made for kindergarten science at home or in class. It suits ages 4 to 6, and little ones can count the pictures with a finger.
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6. My Five Senses
A free printable my five senses science worksheet with an answer key on page 2. Write the sense that goes with each body part. In each box, draw something you can sense that way. Made for kindergarten science at home or in class. It suits ages 4 to 6, and little ones can count the pictures with a finger.
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7. Label the Parts of a Plant
A free printable label the parts of a plant science worksheet with an answer key on page 2. Write the name of each part of the plant. Use the word bank. Made for 1st grade science at home or in class. First graders can do it on their own once they know the strategy at the top of the page.
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8. Butterfly Life Cycle: Put It in Order
Download PDF + answer key · View page · More in Life Cycle Worksheets and Coloring Pages
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9. Frog Life Cycle Cut and Paste
Download PDF + answer key · View page · More in Life Cycle Worksheets and Coloring Pages
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10. Planets in Order From the Sun
A free printable planets in order from the sun science worksheet with an answer key on page 2. Write the name of each planet in order from the Sun. Use the word bank. Made for 1st grade science at home or in class. It matches first grade goals, roughly ages 6 to 7.
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11. Sink or Float? Make a Prediction
A free printable sink or float? make a prediction science worksheet with an answer key on page 2. Guess: will it sink or float? Circle your guess. Test it in a bowl of water and circle what happened. Made for 1st grade science at home or in class. First graders can do it on their own once they know the strategy at the top of the page.
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12. Label the Parts of a Flower
A free printable label the parts of a flower science worksheet with an answer key on page 2. Write the name of each flower part on the lines, then answer the questions. Made for 2nd grade science at home or in class. Second graders usually finish it in 10 to 15 minutes.
Tips for science worksheets
- Read the directions aloud with early readers and point to the word bank before they start.
- For cut-and-paste sheets, cut first, lay the pictures out in order, then glue.
- Print page 1 only for students and keep the answer key on page 2 for yourself.
Fun math facts
- Scientists make a guess, called a prediction, before they test something, just like on the sink or float sheet.
- An apple floats because about a quarter of it is air.
- People have five main senses: sight, hearing, smell, taste and touch.
Fun ways to use your printables
- Do the sink or float test in the kitchen sink and add two objects of your own.
- Hang the weather chart by a window and fill it in each morning.
- Take the living or non-living sheet outside and add things you find in the yard.
How to print
Click Download PDF and print at 100% on US Letter or A4 paper. Page 1 is the worksheet and page 2 is the answer key, so choose “page 1” in the print dialog if you only want the practice page. Every worksheet is free for home, homeschool and classroom use, so print as many copies as you need.
Frequently asked questions
Do the science worksheets have answer keys?
Yes. Page 2 of every PDF shows the answers in red. Pages where answers depend on the child, like the weather chart or sink-or-float guesses, say so on the key.
Which grade are they for?
Kindergarten to 2nd grade. Each worksheet is labeled with the grade it fits best.
What do I need for the sink or float worksheet?
A bowl of water and the objects on the sheet: a rock, a coin, a key, a metal spoon, a rubber duck, a cork, an apple and a leaf.
How do the cut and paste worksheets work?
Kids cut out the pictures along the dashed lines and glue them in the numbered boxes in the right order.