Lab Signs @ PNNL

Sign Videos: I-L

Click below to jump to the video demo of each sign.

isotope
juvenile bypass system
keystone species (version 1)
lifecycle (version 1)
lifecycle (version 2)
lifecycle (version 3)

How to sign "isotope"

Definition: Species of an element with differing number of neutrons in the atom.
The sign represents a neutron increasing

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How to sign "juvenile bypass system"

Definition of "juvenile bypass system": structure at a dam designed to safely route juvenile fish around turbines and other hazardous areas, allowing them to migrate downstream

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How to sign "keystone species" (version 1)

How to sign "keystone species" | ASL signs for science terms

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How to sign "lifecycle" (version 1)

How to sign "lifecycle" | ASL signs for science terms

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How to sign "lifecycle" (version 2)

Definition of "lifecycle": a series of changes in the life of an organism

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How to sign "lifecycle" (version 3)

Definition of "lifecycle": a series of changes in the life of an organism

Can't see the embedded video above? View the How to sign "lifecycle" (version 3) video on YouTube.