ISO

Crop your still life if you need to. Submit it to the turn-in folder.

Next, you will crop all 8 of your images to one tiny piece. Use the same little piece of each image. Name your crops:
crop1_iso64.jpg,
crop2_iso100.jpg,
crop3_iso200.jpg,
crop4_iso400.jpg,
crop5_iso800.jpg,
crop6_iso1600.jpg,
crop7_iso3200.jpg,
crop8_iso6400.jpg

Run your contact sheet at 2 Columns, 4 Rows
You can name your contact sheet LASTNAME_FIRSTNAME_ISO.jpg
Here is the finished, correctly named example of the contact sheet: