Paleontologist Field Station and Dig Site

This activity sets up a working paleontologist's field station where your child excavates buried 'bones,' cleans them, and records each discovery on a field log. Children in this age band are drawn to systems and categories, so the combination of physical digging with a clipboard and record sheet keeps engagement high from start to finish. You end up with a completed field log that can be kept and added to on another day.

Ages
5–8
Time
50 min
Adult help
Light adult help
Mess
Some mess

Before you start

Do this at a table you can wipe down, or outside. Before calling the child over, fill a deep tray or container with dry rice, oats, or sand and bury the bone shapes throughout — push them down to different depths so some are easy to find and some require real digging. Set the field station to one side: a small tray with a dry paintbrush for cleaning, a hand magnifying glass if you have one, and the field log you have already ruled into columns (name of bone, how deep, drawing). When the child starts digging, most are immediately absorbed. The activity tends to stall when the field log feels too much like writing work; keep the columns simple and remind the child that a rough sketch counts as a record. Wind-down is natural — when all bones are found, the child catalogs the last few and you can ask which dinosaur the bones might belong to.

You will need

  • Deep tray, storage bin, or large baking dishAt least 3 inches deep to allow real digging
  • Dry rice, dry oats, or clean sandEnough to fill the tray 2–3 inches deep
  • Bone-shaped objects to buryDog chew toys, chicken bones cleaned and dried, or paper rolled into cylinders
  • Dry paintbrushAny size; used to brush dirt off finds
  • Clipboard or hardback bookHolds the field log paper flat while child writes
  • Plain paper and pencilRule columns before the child arrives: name, depth, sketch
  • Magnifying glassoptionalAny household magnifier
  • RuleroptionalFor measuring excavation depth

Steps

  1. 1

    Bury the fossils beforehand

    Fill the tray with dry rice or sand and press the bone objects in at varying depths — some just under the surface, one or two near the bottom. Smooth the top so nothing is visible. Do this before the child enters the room.

    Tip: Note roughly where you put the deepest item so you can hint at it if needed.

  2. 2

    Set up the field station

    Place the clipboard with the ruled field log sheet, a pencil, and the dry paintbrush beside the tray. If you have a magnifying glass, put it on the station too. Tell the child this is a dig site and the field station is where all finds get recorded.

    Tip: Use the word 'specimen' when you introduce the station — children this age find professional vocabulary motivating.

  3. 3

    Introduce the mission

    Say something like: 'A paleontologist never just digs — every bone gets cleaned, examined, and logged before anything else happens. Your job is to excavate this site and fill in the field log.' Hand the child the paintbrush first, not a spoon — it signals care and precision.

    Tip: Resist pointing to where bones are buried. Uncertainty is most of the fun.

  4. 4

    Coach the recording process once

    When the first bone surfaces, show the child how to brush it off gently, then walk through the field log together — just once, for the first find. After that, step back and let them manage the log independently. If a column feels hard, a quick sketch is enough.

    Tip: If writing is a barrier, let the child dictate while you jot — then take your hands off the clipboard.

  5. 5

    Introduce a challenge mid-dig

    Once a few bones are found, add a quiet complication: 'Paleontologists try to figure out what dinosaur the bones came from. Do any of yours match?' This extends the play and nudges the child toward categorizing the finds.

    Tip: You do not need to know actual bone names — guessing is the point.

  6. 6

    Close with a field report

    When the last bone is found, ask the child to give you a verbal field report: what was found, how deep the deepest specimen was, and what dinosaur they think lived here. This closes the activity with a satisfying summary the child owns.

Try it another way

  • For two children, assign roles — one digs while the other records, then they swap halfway through.
  • For a quieter, no-mess version, substitute a folded towel with objects hidden in the folds for the rice tray.
  • A child at the older end of this band can draw a site map on a second sheet of paper, marking where each bone was found before removing it.

Keep in mind

  • Dry rice and oats are a slip hazard if spilled on hard floors — put a towel under the tray.
  • If using real cleaned chicken bones, check that none have sharp splintered edges before burying them.

What they get out of it

Children practice careful observation, recording information in an organized way, and building a simple theory from the clues they find.

Materials checklist, the steps and the variations on one Letter page.

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