Inside and Outside is a free printable Grade 4 science worksheet on arguing that internal and external structures support survival, aligned to Common Core standard 4-LS1-1. It prints 3 questions with an answer key on its own sheet of paper, in 25 versions that each ask different questions, so no two pupils in the class work from the same page. Print it from the browser or download it as a PDF — no account, no email.
Set 4 of 25 · the same problems every time you open this link.
Set 1 has all 25 in a single PDF. All 25 sets ask different questions.
Inside and Outside
4-LS1-1
NameDate
Sort each structure into inside or outside.
1.Sort each one: Outside structure or Inside structure?
Sort: A cactus's spines, A heart pumping blood, A stomach digesting food, A tree's bark
Outside structureInside structure
2.Sort each one: Outside structure or Inside structure?
Sort: A rose's thorns, Lungs taking in air, A stem carrying water to the leaves, A rabbit's ears
Outside structureInside structure
3.Sort each one: Outside structure or Inside structure?
Sort: A bird's feathers, A fish's scales, A skeleton holding the body up, Roots drawing up water
Outside structureInside structure
LessonPrint · 4-LS1-1 · Set 4 · free to copy for classroom use
Answer key — Inside and Outside
Set 4. Prints on its own sheet.
1.1. A cactus's spines — Outside structure 2. A heart pumping blood — Inside structure 3. A stomach digesting food — Inside structure 4. A tree's bark — Outside structure
2.1. A rabbit's ears — Outside structure 2. A rose's thorns — Outside structure 3. A stem carrying water to the leaves — Inside structure 4. Lungs taking in air — Inside structure
3.1. A bird's feathers — Outside structure 2. A fish's scales — Outside structure 3. A skeleton holding the body up — Inside structure 4. Roots drawing up water — Inside structure
More practice for 4-LS1-1
Argue that inside and outside body parts help a living thing survive and grow.
Teaching this next? Inside and Outside is the 55-minute plan for it, with the misconceptions to expect.