Science Worksheets and Study Guides Second Grade. Earth yesterday and today

The resources above correspond to the standards listed below:

Arizona's College and Career Ready Standards

Core Ideas for Knowing Science
Life Science
L2: Organisms require a supply of energy and materials for which they often depend on, or compete with, other organisms.
Second Grade: Focus on Systems and System Models; Energy and Matter
Life Sciences: Students develop an understanding that life on Earth depends on energy from the Sun or energy from other organisms to survive.
Life Science Standards
2.L2U1.9. Obtain, analyze, and communicate evidence that organisms need a source of energy, air, water, and certain temperature conditions to survive.
2.L2U1.10. Develop a model representing how life on Earth depends on energy from the Sun and energy from other organisms.