New: every account gets Premium free for the first month. No card needed, then stay on Free or upgrade.Premium free for your first month. No card. Compare plans

DoodleBeezTM
SubscribeFREE

Science · 8th Grade · Grade 8 in Canada

Carbon and Nitrogen Cycles Worksheets for 8th Grade

6 printable worksheets, each with an answer key on page 2. The first worksheet in every topic is free to download with no account. Sign up free for any 100 worksheets, or go Premium for unlimited.

Free Worksheets › 8th Grade Science Worksheets › Carbon and Nitrogen Cycles Worksheets

Carbon and Nitrogen Cycles worksheet preview
  • US: NGSS MS-LS2-3
  • 🍁 Canada: BC Science Grade 3: Living things are diverse, can be grouped, and interact in their ecosystems.

🎧 Practice online with Luna 📚 Whole workbook in one click (Family Premium) 🎬 Watch the video lesson

Print the sheet, then check answers with the key on page 2. Finished? Try the online version: it gives instant feedback and reads every question aloud.

1
Worksheet 1: Carbon and Nitrogen Cycles: Learn and Practice8 questions · answer key included
Free PDF, no signup
2
Worksheet 2: Carbon and Nitrogen Cycles: Practice10 questions · answer key included
Free with an account
3
Worksheet 3: Carbon and Nitrogen Cycles: Review Test12 questions · answer key included
Free with an account
4
Worksheet 4: Carbon and Nitrogen Cycles: Quick Quiz A8 questions · answer key included
Free with an account
5
Worksheet 5: Carbon and Nitrogen Cycles: Quick Quiz B8 questions · answer key included
Free with an account
6
Worksheet 6: Carbon and Nitrogen Cycles: Mixed Review10 questions · answer key included
Free with an account

What your child practices

Curious about Carbon and Nitrogen Cycles? These 6 worksheets give 8th grade students (Grade 8 in Canada) 56 questions to think through. Middle school science builds models and explanations from evidence, and Carbon and Nitrogen Cycles connects to ideas your child will meet again in high school. It opens with a guided Learn and Practice page, moves on to a practice sheet and a review test, then finishes with two quick quizzes and a mixed review. It is aligned to NGSS MS-LS2-3, which focuses on ecosystems and how living things depend on each other. In Canada it matches the BC curriculum for Grade 3. Answer keys sit on page 2 of each PDF, so checking takes seconds. Before printing, try the Carbon and Nitrogen Cycles video lesson, then print a sheet while it is fresh.

Tips for parents

  • Have your child connect the topic to a current news story or real invention.
  • Keep a small science notebook for drawings and questions that come up.
  • Ask "how do you know?" after each answer to build scientific thinking.
More 8th Grade Science Worksheets

More 8th grade science topics

🧪 Digestive Enzymes🔋 Cellular Respiration🔀 Mutations🔲 Punnett Squares🐦 Natural Selection🦊 Adapting Over Time🦇 Bones and Embryos🌽 Breeding and Gene Tech

Questions parents ask

Are these Carbon and Nitrogen Cycles worksheets free?

Yes. The first worksheet in every topic is free to download with no account. Sign up free for any 100 worksheets, or go Premium for unlimited.

Do the worksheets come with answer keys?

Yes. Every PDF has its answer key on page 2, so you can check work in seconds.

Which standard do these worksheets cover?

They are aligned to NGSS MS-LS2-3, which focuses on ecosystems and how living things depend on each other. In Canada they match the BC curriculum for Grade 3.

What grade are these worksheets for?

They are written for 8th grade in the US, which is Grade 8 in Canada, roughly ages 13 to 14.

Free to print for your own family or class. US letter size; on A4 choose "Fit to page".