​Friday: Beavers
SPREE's favorite type of engineer, actually an ecosystem engineer, is a beaver! Beavers are fantastic builders that can have huge impacts on their environments by changing water flows and creating new habitats for other animals! First, campers focused on learning about beaver adaptations- they have unique bodies suited for their water and land lifestyle and building skills! We had campers dress up as a beaver- complete with flippers, a tail, goggles, and more to discover how they have different bodies than people. Next, we compared and contrasted them to a rodent cousin that they are often easily confused with- muskrats! By the end of the activity, campers were experts in both!
After learning about physical adaptations, campers then focused more on beaver behavioral adaptations- like their building skills! We made our own mini beaver lodges, played a dam building game, and built mini dams along the creek. 
Finally, like every Friday, we wrapped up our week with a camper graduation ceremony where we celebrated campers being eco engineering experts!

Tuesday: How water is collected and treated for use
After the water melts off the mountain tops and trickles into streams and rivers, it is eventually collected in reservoirs to people to eventually use. 
To start the day, campers played an interactive game about the water cycle as a water drop and traveled through many stations: Clouds, Plants, Animals, Rivers, Oceans, Lakes, Ground Water, Soil, and Glaciers.
Next, campers got to use an urban watershed model, called an "enviroscape," to conduct experiments on how water moves in a city and may accumulate different pollutants along the way. 
Campers then investigated how Denver's water is collected in reservoirs and then cleaned for use in homes and businesses. We built our own mini reservoirs in the sand, and got to conduct an experiment to clean some water we had collected to investigate how drinking water is cleaned before use.
We wrapped up our day by continuing to work on our watershed river model!

Wednesday: Using water and returning it to the waterways
We began our day by discussing the many ways that we use water every day, both directly and indirectly. Then, we acted out and did an activity on how the water is cleaned after it is used. Did you know that 99% of wastewater that goes down our pipes is actually water? All the work in cleaning it goes into the remaining 1% that is the waste. 
After use and cleaning, the water is returned back into our waterways! The outfalls at the treatment plants are actually some of the cleanest river areas. To investigate, campers got to become scientists and conduct a health check-up on the creek. They learned how to do each test, and why it is important to the health of the waterway: pH, temperature, turbidity, and dissolved oxygen. These tests are all checking on abiotic factors impacting the creek. 
Next, campers got to do a check up using biotic factors. We went down to the creek and caught some macroinvertebrates and then sorted them into their different levels of pollution tolerance. We found several types of pollution-sensitive macros, showing us that the creek is in pretty good shape! 
Finally, we wrapped up our day with putting the finishing touches on our river model!

Thursday: Storm Water- Field Day
Another important, but often overlooked, component of urban water systems is storm water. Without engineering, planning, and infrastructure, the city would be at great risk for frequent flooding and destruction. We got to start our day off with a special treat- a guest from public works came with a storm drain cleaner truck! We learned about the worker's important job, saw how the hoses and vacuums worked, and got a great refreshing shower from the hose!
Next, we had field day near camp and played games, searched out and investigated storm drains and outfalls, looked at some of Denver's flood control measures (like retaining walls and the park design), and caught more macroinvertebrates in the creek!

Friday: River Features
Now that campers were water system experts, we zoomed in on the creek and river to learn about some river features and anatomy. 
We started by learning about one of the challenges of a waterway in a city may pose- floods! Campers studied the creek, took measurements of its depth and speed, and compared the numbers to famous floods in Denver's history. 
Next, campers learned about the many features of waterway anatomy and went on an investigation hike upstream and downstream to see if they could find features like: riffles, pools, banks, and more! Then they explored the bottom of the creek to take a closer look at the rocks and silt and imagined the journey these materials have take over many years down from the mountains to get here to Denver!
The campers did an excellent job learning about water systems, engineering, and watersheds this week, and we wrapped it all up with a graduation ceremony to celebrate!

SPREE called all budding inventors, architects, and engineers! Campers spent a week designing, building, and inventing while we looked to nature for inspiration.

Monday: Plant Inspiration
We started out our week of camp investigating engineers in nature with plants! Plants are amazing nature engineers from how they grow, how their seeds move, and how they survive. First, we focused on different ways that some native seeds move. There is a wide variety of techniques even in plants we can find around camp! Hitchhiker seeds travel by sticking on to a person or animal, and eventually fall off in a new place. We put socks over our hands and brushed them on the grasses around camp and discovered many seeds sticking to our "fur!" Some seeds we discovered of this variety: burs, goatheads, rabbit brush, wild licorish, and cheatgrass. And did you know the invention of velcro was inpired by these types of seeds? Next, we talked about fruit seeds. They get eaten by animals and come out with scat- ready to grow with fertilizer already there! We made "scat" seed balls with dirt, clay, and seeds. Then, we investigated some seeds that travel by wind, like cottonwood and helicopter seeds from box elder trees. We made our own paper helicopters to demonstrate how these seeds move! Another cool way that some seeds move is by water! Wheatgrass seeds are shaped like tiny canoes to help them float to new places to grow. We made paper boats as well as craft boats to recreate how these seeds travel!
Finally, we wrapped up our day by planting some seeds of our own to take home to grow!

 Tuesday: Underground Engineers
There are many cool animals that live underground that are great excavators, diggers, architects, and engineers! First, we talked about a type of tiny engineer that is found nearly all over the world- ants! They can build huge and complex structures underground, just by instinct and communicating by pheremones! We painted our own underground ant structures as a craft after learning more about ant life cycles and the structures they build. 
Next, we learned about prairie dogs and the underground towns that they construct! Like ants, they create many rooms, each with a different purpose. We drew our own prairie dog towns, learned about their adaptations, and played a survival game! 
We wrapped up our day talking about how and why human engineers work and explained the steps that engineers take to solving a problem: Identify the Problem (What do we need to do? What is our goal?), Brainstorm (the most important step!), Design (blueprint), Build (may be a model version first), Test and Evaluate (Then may need to go back to step 4, until it is perfect and safe and ready-to-go!), and Share the Solution! Then, campers started brainstorming ideas for inventions of their own!

Wednesday: Engineers of the Air
Birds are well known for their engineering skills and creativity when building nests. There are many more types of nests that birds build that you may not think of at first! We first discussed some different types of nests that some Colorado birds build: like a flicker making a cavity nest, a grebe making a floating nest, and a swallow making a mud nest on a bridge! Next, we played an eagle game- did you know bald eagles hold the record for the world's biggest bird nest? Then, we learned about the tiniest bird nest builders, hummingbirds, and made some tiny craft versions ourselves!
Another common type of flying nest builder is bees. Campers learned about many different types of bees, wasps, and yellowjackets that call Colorado home- and about the unique types of nests that each one builds. Then, we focused on an amazing non-native bee engineer, the honey bee! They build amazing hexagon honeycombs and of course make honey! We crafted a honeycomb of our own with some cute bees to go with it!

Thursday: Field Day
Our typical Thursday is when we get to venture over to Vanderbilt park and explore a new area! Today was no exception as campers were on the lookout for human, plant, and animal engineers in the park. We hunted for spider webs, looked for bird nests, and found some cool things in nature through a scavenger hunt. Then, we painted some of the engineers and their structures we saw in watercolors! 
We wrapped up the day with a critter crawl in the South Platte River and caught one of the biggest crawdads SPREE has ever seen!

Friday: Beavers
SPREE's favorite type of engineer, actually an ecosystem engineer, is a beaver! Beavers are fantastic builders that can have huge impacts on their environments by changing water flows and creating new habitats for other animals! First, campers focused on learning about beaver adaptations- they have unique bodies suited for their water and land lifestyle and building skills! We had campers dress up as a beaver- complete with flippers, a tail, goggles, and more to discover how they have different bodies than people. Next, we compared and contrasted them to a rodent cousin that they are often easily confused with- muskrats! By the end of the activity, campers were experts in both!
After learning about physical adaptations, campers then focused more on beaver beahvioral adaptations- like their building skills! We made our own mini beaver lodges, played a dam building game, and built mini dams along the river. 
Finally, like every Friday, we wrapped up our week with a camper graduation ceremony where we celebrated campers being eco engineering experts!

Week 1 of SPREE summer camp started off with a fun theme of "Special Agent Training!" Kids at both camps spent the week of June 3-7 learning how to care for the River and environment, defeat some SPREE villians, and how to catch some crawdads in the River and Creek! 
Monday: What is a Special Agent?
Campers received a mission from Chompers, head of the SPREE Force, to learn to become special agents during camp this week, as well as learn some facts about water in Denver to get an idea of what challenges they may face over the week. Campers started by thinking about all the different ways they use water every day. There are more direct and indirect uses than you might think of at first! We also talked about the many different ways people in Denver need and use water- in homes, businesses, farms, factories, etc. We acted out how it can be challenging to share this limited resource, and discussed ideas on how to make it work. Next, campers learned that this water actually comes from the River right next to camp- the South Platte! We learned that the River starts in the mountains, and the water in it actually runs all the way to the Ocean!
For our special agent skills course of the day, we got to get introduced to the many Agents of the SPREE Force and learn about the special skills they each have. Then, we practiced some skills of our own through activities and games. We made disguises, practiced getting to know each other and being a good teammate, and honed our observation skills. 
Finally, it was everyone's favorite part of the day- critter crawl! We learned about what critters can be found in the River and Creek, how they indicate water quality, and we got to get in the water to catch some! We were challenged by Crusher the crawdad- and right hand man of Chompers, to each catch and hold a crawdad this week!
We all wrapped up the day with the start of our Special Agent Code of Conduct list that we added to throughout the week as we learned more and more!

Friday's focus was on the "Clean River Design Challenge." Campers were tasked with putting all of their gained water engineering skills and knowlege to the test to build miniature trash removal devices for the South Platte River. This was inspired by a competition that The Greenway Foundation hosts annualy, in which college students from several Colorado universities compete to design, build, and ultimately implement their in-stream trash removal devices. Campers were thrilled to have the CRDC event coordinator as well as a member from 2018's winning team as guest speakers for the day. They brought several models from the competition with that served as inspiration for campers' designs. And, one of Greenway's board members, Sarah Dominick, who works with Denver Water, came to share her expertise with the campers as well as help build and evaluate the campers' designs!
Campers did a great job learning about and experimenting with many different aspects of water engineering this week! We wrapped up our day and week with a graduation ceremony to celebrate. ​

SPREE summer campers this week became water experts during Water Engineers camp! We started by learning more about what an engineer does, and what the engineering process looks like. We did an activity to figure out the typical order of the engineering steps: 
​1. Identify the Problem (What do we need to do? What is our goal?)
2. Brainstorm (the most important step!)3. Design (blueprint)
4. Build (may be a model/prototype at first)
5. Test and Evaluate (Then may need to go back to step 4, until it is perfect and safe and ready-to-go! Or even go back to steps 2-3)
6. Share the Solution
Monday's focus was on many different forms of River engineering. One activity was on bridges. We learned about many types of bridges and how they work. Then, we constructed our own mini river bridges with limited materials and tested them out with different weights on top. Another river engineering feat we learned about and modeled was locks and dams. We learned about how they work, looked at some real locks and dams in the creek, and made some models and tested them with some mini boats we built! 

"The power of water" was the theme for Tuesday! Campers learned about the unique skills and properties that water has, as well as the power it has that people can harness for work and energy. First, campers learned about hydropower- how it is harnessed and how it works. Then, we built our own models of waterwheels and tried them out in the creek! 

On Wednesday, campers learned about a different aspect of water engineering- water quality! First, we experimented with our enviroscape. An enviroscape is a model of a city that shows how pollution and runoff in cities and rural areas get into and affect waterways. Then, we made a model water filtration system using rocks, dirt, sand, and other natural materials. while not safe to drink, we got some very cool and successful results! During our daily critter crawl, we learned more about water quality through the animals that live in the creek. Did you know that different macroinvertebrates have different tolerances to pollution levels? We caught many critters and sorted them into their water-quality indicator groups. The Cherry Creek is home to many pollution sensitive groups! Another cool thing that campers got to do on Wednesday is work with a guest educator, Donny Roush, from Denver public works. He worked with the campers to do a scientific check up on the creek. Campers did different tests that help us see the health of the waterway and learned more about  water quality in Denver.

Our field day took place on Thursday. The campers walked to nearby Confluence Park to investigate and play at the place where the two major waterways, the South Platte River and the Cherry Creek meet up. We played lots of games to beat the heat and looked for critters in the confluence.

Friday's focus was on the "Clean River Design Challenge." Campers were tasked with putting all of their gained water engineering skills and knowlege to the test to build miniature trash removal devices for the cherry creek. This was inspired by a competition that The Greenway Foundation hosts annualy, in which college students from several Colorado universities compete to design, build, and ultimately implement their in-stream trash removal devices. Campers were thrilled to have the CRDC event coordinator as well as a member from 2018's winning team as guest speakers for the day. They brought several models from the competition with that served as inspiration for campers' designs.
Campers did a great job learning about and experimenting with many different aspects of water engineering this week! We wrapped up our day and week with a graduation ceremony to celebrate.