use mathematical concepts to compare two objects with common attributes; and
evaluate a design or object using criteria to determine if it works as intended.
Scientific and engineering practices. The student develops evidence-based explanations and communicates findings, conclusions, and proposed solutions. The student is expected to:
develop explanations and propose solutions supported by data and models;
communicate explanations and solutions individually and collaboratively in a variety of settings and formats; and
listen actively to others' explanations to identify important evidence and engage respectfully in scientific discussion.
Scientific and engineering practices. The student knows the contributions of scientists and recognizes the importance of scientific research and innovation on society. The student is expected to:
explain how science or an innovation can help others; and
identify scientists and engineers such as Isaac Newton, Mae Jemison, and Ynes Mexia and explore what different scientists and engineers do.
Recurring themes and concepts. The student uses recurring themes and concepts to make connections across disciplines. The student is expected to:
identify and use patterns to describe phenomena or design solutions;
investigate and predict cause-and-effect relationships in science;
describe the properties of objects in terms of relative size (scale) and relative quantity;
examine the parts of a whole to define or model a system;
identify forms of energy and properties of matter;
describe the relationship between the structure and function of objects, organisms, and systems; and
describe how factors or conditions can cause objects, organisms, and systems to either change or stay the same.
The student is expected to identify and record observable physical properties of objects, including shape, color, texture, and material, and generate ways to classify objects.
The student is expected to describe and predict how a magnet interacts with various materials and how magnets can be used to push or pull.
Force, motion, and energy. The student knows that energy is everywhere and can be observed in everyday life. The student is expected to:
communicate the idea that objects can only be seen when a light source is present and compare the effects of different amounts of light on the appearance of objects; and
demonstrate and explain that light travels through some objects and is blocked by other objects, creating shadows.
identify, describe, and predict the patterns of day and night and their observable characteristics; and