| A | B |
| fiery | burning, flaming |
| scientific | relating to science or the careful studying of things |
| ancient | very, very old |
| mysterious | hard to understand or explain |
| within | inside of |
| emergency | for use in emergencies |
| immediately | right now |
| horrifying | frightful ; causing great fear |
| prehistoric | before written history |
| panicking | to be affected with terror; scary |
| fiery | After this ___ building has cooled, rescue dogs may go inside to help. |
| within | _____ seconds, this helper dog finds and pushes the right button. |
| horrifying | This dog is used to deep snow. He does not find it ___, or scary. |
| ancient | _____ art from Roman times proves people kept dogs as pets long ago. |
| mysterious | This dog is sniffing at a ____ package to help guess what it holds. |
| emergency | A rescue dog can help an _____ team find trapped people quickly. |
| panicking | Herding dogs can help guide scared, or _____, animals. |
| scientific | People do _____ research to create new medicines that can help sick dogs. |
| prehistoric | Dog helped people hunt in _____ times, which were very long ago. |
| immediately | As soon as the light changes, this dog ______ walks forward. |