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All about sound and light Second Grade Science
Elements, mixtures and compounds Fifth Grade Science
Animal Diversity and Adaptations Fifth Grade Science
Living and nonliving things First Grade Science
Organ systems Fourth Grade Science
Where plants and animals live Third Grade Science

Iowa Core Standards for Fourth Grade Science

IA.ES. Earth and Space

ES.1. Understand and apply knowledge of properties and uses of earth materials.

ES.2. Understand and apply knowledge of processes and changes on or in the earth's land, oceans, and atmosphere.

ES.3. Understand and apply knowledge of fossils and the evidence they provide of past life on earth.

ES.4. Understand and apply knowledge of weather and weather patterns.

ES.5. Understand and apply knowledge of the properties, movements, and locations of objects in our solar system.

IA.LS. Life Science

LS.1. Understand and apply knowledge of organisms and their environments, including:

LS.1.1. Structures, characteristics, and adaptations of organisms that allow them to function and survive within their habitats.
LS.1.2. How individual organisms are influenced by internal and external factors.
LS.1.3. The relationships among living and non-living factors in terrestrial and aquatic ecosystems.

LS.2. Understand and apply knowledge of environmental stewardship.

LS.3. Understand and apply knowledge of basic human body systems and how they work together.

IA.PS. Physical Science

PS.1. Understand and apply knowledge of how to describe and identify substances based on characteristic properties.

PS.2. Understand and apply knowledge of states of matter and changes in states of matter.

PS.4. Understand and apply knowledge of sound, light, electricity, magnetism, and heat.

PS.5. Understand and apply knowledge of how forces are related to an object's motion.

IA.SI. Science as Inquiry

SI.2. Recognize that scientists perform different types of investigations.

SI.3. Plan and conduct scientific investigations.

SI.4. Use appropriate tools and techniques to gather, process, and analyze data.

SI.5. Incorporate mathematics in science inquiries.

SI.6. Use evidence to develop reasonable explanations.

SI.7. Communicate scientific procedures and explanations.

SI.8. Follow appropriate safety procedures when conducting investigations.