Much of our understanding of science comes from interpreting visual images. The images that accompany scientific writing can enhance our knowledge of a subject and can add more precision to our perception. Drawings that accompany field notes offer researchers several paths which to interpret their experiences. Incorporating drawing into research improves one’s observation skills. Take … Read more
More than 97% of the animal species on Earth are invertebrates. Invertebrates are small animals that do not have backbones. There are many types of invertebrates, from fluid-filled jellyfish, and squishy earthworms to hard shelled insects like beetles, and eight-legged arachnids. This fascinating and diverse group of animals spans the globe – invertebrates live on … Read more
Thundersnow in December? Snow in May? Do strange weather phenomena ever leave you wondering about the weather? We do too! Let’s explore weather this week! Start by having students share what they know about weather. Make a list or chart to track what students already know. Lead into a discussion about what students want to … Read more
A human community is a group of people who live and interact with one another in a specific region under relatively similar environmental, social, and political conditions. A natural community is a group of plants and animals that live and interact with one another in a specific region under similar environmental conditions. Our human communities … Read more
Bat week is an annual international celebration of the role of bats in nature. This year’s bat week is October 24-31. Step outside around dusk and take a few moments to look for bats in your neighborhood. Iowa is home to nine bat species: little brown bat, big brown bat, red bat, hoary bat, silver-haired … Read more
Take a peek into Iowa’s prehistoric past with these “living fossils” that still exist in Iowa today. Paddlefish This fish is older than the dinosaurs – for real. Fossil records show paddlefish have been around for more than 300 million years – that’s about 50 million years before the first dinosaurs appeared. Not only has … Read more
What is a “flood”? A flood is an overflow of water that submerges land which is normally dry. Floods occur when there is more water in a river, lake, or stream than the body of water can hold. The excess water then floods onto the land. Floods occur frequently when there is excess rain and … Read more
What is Pollination? Pollination is the process where plants receive pollen from other plants of the same species so they can reproduce and form seeds. Many plants are pollinated by animals, and most of the animal pollinators are insects. The relationship between plants and their insect pollinators is beneficial to both the plant and the … Read more
All the wet weather this May is making conditions perfect for fungus! These pictures feature Xylaria polymorpha which is commonly known as Dead Man’s Fingers. What a fun name and perfect if anyone is starting to get into the Halloween spirit a little bit early! The scientific name helps us understand a little more about … Read more
Keep your students active this spring with these fun spring themed games. Robin’s Egg Select one student to be the robin. Have the robin sit with his/her back to the other students, at least ten feet away. Place a plastic egg behind the robin. The robin needs to protect the egg. The remaining students take … Read more
Learn more about Iowa invasive species as we celebrate National Invasive Species Awareness Week, February 26 – March 2, 2018. What are invasive species? Invasive species are species of organism that are not native to an ecosystem and which cause harm. Invasive species generally grow and reproduce quickly, and spread aggressively with the potential to … Read more
What is wind? Wind is air in motion. Wind is produced by the uneven heating of the Earth’s surface by the sun. As the sun warms the Earth’s surface the atmosphere warms too. Some parts of the Earth receive direct rays of sun and others do not. This creates a difference in air pressure. Warm … Read more