Open-and-go lessons that inspire kids to love science.

Science curriculum for K—5th grades.

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90 sec
  • Hands-on lead students in the doing of science and engineering.
  • NGSS-aligned and Common Core make the transition to the Next Generation Science Standards and support Common Core.
  • Less prep, more learning prep in minutes not hours. Captivate your students with short videos and discussion questions.

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Animals Through Time

Animal Survival & Heredity

2nd Grade, 3rd Grade, 4th Grade

NGSS Standards covered: 3-LS4-1 , 3-LS3-1 , 3-LS2-1 , 3-LS4-3 , 3-LS4-4 , 3-LS4-2 , 3-LS3-2
In this unit students will develop an appreciation for how animals and the places they live (their habitats) are not constant—they have changed over time. Fossils give us a window to the animals and habitats of the past. Selective breeding shows us not only how some animals of the past became domesticated, but allows us to imagine how they might look in the future. Less
  1. Lessons
  2. Activity Prep
  3. Assessments

This summative assessment is a combination of short response and fill-in-the-blank questions intended to be administered at the end of this unit. It should take about 25 minutes for a student to complete.

View unit assessment

For your reference, these are all the assessments included at the end of each Mystery from this unit:

Mystery 1: Habitats, Fossils, & Environments Over Time

View Mystery 1 assessment

Mystery 2: Structures & Adaptations, Fossil Evidence, Classification

View Mystery 2 assessment

Mystery 3: Fossil Evidence, Behavior

View Mystery 3 assessment

Mystery 4: Heredity, Variation, & Selection

View Mystery 4 assessment

Mystery 5: Heredity, Variation, & Selection

View Mystery 5 assessment

Mystery 6: Animal Groups & Survival

View Mystery 6 assessment

Mystery 7: Habitat Change & Engineering

View Mystery 7 assessment

Mystery 8: Traits & Environment

View Mystery 8 assessment