Skip to content
LessonPrint

How Do We Know It Is Alive? is a free printable Kindergarten science worksheet on using needs, growth and young as evidence that something is alive, aligned to NGSS performance expectation K-LS1-1. It prints 8 questions with an answer key on its own sheet of paper, in 25 versions that each ask different questions, so no two students in the class work from the same page. Print it from the browser or download it as a PDF — no account, no email.

Set 17 of 25 · the same problems every time you open this link.

Next set

One paper per student

12345678910111213141516171819202122232425

Set 1 has all 25 in a single PDF. All 25 sets ask different questions.

How Do We Know It Is Alive?

K-LS1-1

NameDate

Circle the best answer.

1.Which of these can grow and have young?
  • A.A teddy bear
  • B.A rabbit
  • C.A rock
2.A daisy stays in one place all its life. Is it alive?
  • A.No, because it stays still
  • B.No, because it is small
  • C.Yes, it needs water, air and light, and it grows
3.How is a real fish different from a toy fish?
  • A.The real fish is shinier
  • B.The real fish needs water, food and air to stay alive
  • C.The toy fish is bigger
4.A toy robot moves and beeps. Is it alive?
  • A.Yes, because it makes a noise
  • B.No, it does not need food, water or air, and it cannot grow
  • C.Yes, because it moves
5.A kitten drinks, eats and grows bigger. What does that tell you?
  • A.It is a toy
  • B.It is not alive
  • C.It is alive
6.A seed looks like a tiny stone. How could you find out if it is alive?
  • A.Shake it
  • B.Plant it, water it and see if it grows
  • C.Paint it
7.A ladybird lays eggs that hatch into baby ladybirds. What does that show?
  • A.Ladybirds are toys
  • B.Living things make young like themselves
  • C.Eggs never hatch
8.A tree grows new leaves every spring. What does that show?
  • A.It is a building
  • B.It is alive and growing
  • C.It is not alive

LessonPrint · K-LS1-1 · Set 17 · free to copy for classroom use

Answer key — How Do We Know It Is Alive?

Set 17. Prints on its own sheet.

  1. 1.A rabbit
  2. 2.Yes, it needs water, air and light, and it grows
  3. 3.The real fish needs water, food and air to stay alive
  4. 4.No, it does not need food, water or air, and it cannot grow
  5. 5.It is alive
  6. 6.Plant it, water it and see if it grows
  7. 7.Living things make young like themselves
  8. 8.It is alive and growing

Last reviewed 2026-09-05. Aligned to K-LS1-1 of the Next Generation Science Standards.