NASA
Is It Alive?
Determining whether or not something is living can be more difficult than it seems. Put your young scientists to work defining their own criteria to identify life, then work with three samples to see if they are alive or...
BBC
Walking with Dinosaurs
Breath new life into your class's study of dinosaurs with this extensive collection of materials. Offering everything from a printable T-rex mask, word searches, and connect-the-dots activities to informational handouts, hands-on...
Michigan State University
All About Insects
Insects are the focus of an activity that looks deep into the anatomy and metamorphosis of everyday bugs. Two worksheets reinforce knowledge obtained through a teacher-guided grand conversation and insect observation.
Curated OER
Half-Life
In this half-life worksheet, high schoolers are guided through the steps of solving radioactive decay problems. They solve nine problems finding rates of decay, half-life and quantities of substances remaining after given amounts of time.
Curated OER
Life Cycle: Diversity in a Balance
In this life cycle workbook, 3rd graders complete several different activities in which they analyze different invertebrates, identify arthropods, examine human biology and plants, and study natural environments. 20 different activities...
Curated OER
A Bug's Life
In this biology worksheet, middle schoolers create a presentation for a museum about the children they encounter during their journey as an insect. They identify the types of food the insect eats and its habitat. Students also describe...
Curated OER
Pond Life Word Search
In this pond environment activity, 6th graders search for 55 science words which are hidden in the word search puzzle. The words include insects which live in pond environments.
Curated OER
Life Cycle - Human Biology
In this life cycle worksheet, 9th graders complete 3 different procedures that distinguish viruses and bacteria and inherited characteristics. First, they read the background excerpt given about bacteria and viruses. Then, students cut...
Curated OER
Demonstrating the Half-Life of a Radioactive Isotope
In this half-life worksheet, students use 100 pennies to simulate radioactive isotopes and half-life. They place the pennies in a box and shake the box. All pennies that turn up tails are removed from the box. They represent the isotopes...
Curated OER
Calculating Half-Life Problems
In this half-life worksheet, learners are given a particular mass of an isotope of cesium and its half life. They are to determine how much cesium will remain after 90 years. They are guided through the problem solving process.
Curated OER
Half-Life Problems
For this half-life worksheet, students calculate the half-life of isotopes, they find masses of isotopes remaining after specified times, and they find particular amounts of time needed to pass for given masses of isotopes to decay.
Curated OER
The Origin of Life
In this origin of life worksheet, learners write answers to five questions. They describe characteristics of the first life forms and how scientists believe oxygen accumulated in the Earth's atmosphere.
Curated OER
Living it up with plants
Have kids in grades K-2 discuss how they know a tree is alive. The worksheet provides simplistic background information and an observation check list. They check off the ways that they can tell an oak tree is a living thing. Note: The...
Curated OER
Science Crossword Puzzles: Life Science
Review some simple life science terms using this short and simple crossword puzzle. Young scientists find 6 terms about photosynthesis and other life science topics using provided clues and then plug them into a crossword.
Curated OER
What Lives in Water?
In this early childhood science worksheet set, students study the importance of water, and determine the difference between themselves and water dwellers. They look at adaptations, river life, rainforest life, food chains, pollution, and...
Curated OER
AP: Chapter 1: Themes in the Study of Life
Life science learners list and describe 10 major themes that biology courses are built around. They are introduced to the three domains and they consider the unity and diversity of living things. If your textbook does not have a chapter...
Curated OER
Grade Three Science Practice
In this grade 3 science worksheet, 3rd graders complete a set of 25 multiple choice questions related to a variety of 3rd grade science concepts. An answer key is included.
Curated OER
7th Science Quiz
This seventh grade life science quiz has a professional appearance and well-written multiple-choice questions. However, it seems to cover too broad a variety of biology topics for only 15 questions to fully assess. There is one question...
Forest Foundation
The Web of Life
Producers, herbivores, carnivores, omnivores, decomposers. To begin a study of the forest ecosystem, learners examine the connections among the members of ecological communities.
Curated OER
Testing for Life’s Molecules
Want to hear a joke about sodium? Na. Young scientists test various materials to identify if they include protein, starch, and glucose by using the Biuret test, iodine starch test, and Benedict's test respectively. After practicing with...
Curated OER
A Rat's Life
Here is a two-page worksheet on rats and mice. Learners answer nine true/false questions about rats and mice, then compose answers to seven short-answer questions about these two rodents. Finally, they must compose a fictional story...
Rivanna Regional Stormwater Education Partnership
Invisible Passengers
How does water pollution affect the organisms living in the water? Use three science experiments to examine how erosion and other pollutants can affect water quality. Each experiment focuses on a different aspect of pollution and...
Curated OER
Bliss Butterflies Activity Sheet
In this life science worksheet, students examine the 4 stages of the butterfly's life cycle and color in the black line pictures. They read the difference between symmetrical and asymmetrical objects before they complete symmetrical...
Curated OER
Chemistry 142 Exam 1
In this chemistry exam worksheet, students solve fifteen problems related to acids and bases, rates of reactions, and half life.