Grade 2 Science Investigation Standards

Front

What is sound energy?

Back

Sound energy is the energy produced by vibrating sound waves that can be heard by our ears.

Front

What is the Sun?

Back

The Sun is a star that provides light and heat to the Earth.

Front

What is a food chain?

Back

A food chain shows how energy and nutrients flow from one living thing to another, starting with producers and moving to consumers.

Front

What does cause-and-effect mean in science?

Back

Cause-and-effect refers to the relationship where one event (the cause) makes another event happen (the effect).

Front

What are plant structures?

Back

Plant structures are parts of a plant, like roots, stems, and leaves, that help it survive and grow.

Front

What is a musical instrument?

Back

A musical instrument is an object that produces sound, such as a piano, guitar, or drum.

Front

What is a device that uses sound to communicate?

Back

A device that uses sound to communicate can be a telephone or a radio.

Front

What are seasons?

Back

Seasons are the four divisions of the year (spring, summer, autumn, winter) that are characterized by different weather patterns.

Front

What is a planet?

Back

A planet is a large celestial body that orbits a star, like Earth or Mars.

Front

What is a black hole?

Back

A black hole is a region in space where the gravitational pull is so strong that nothing, not even light, can escape from it.