Cold Spring Harbor Laboratory
Specialized Chromosomes Determine Gender
Are you an XX or an XY? Budding scientists learn about cellular fertilization and the determination of gender in a thorough online lesson. They follow their study with a set of interactive reflection questions.
Biology Junction
Introduction to Biology
Welcome to Biology! Introduce pupils to a subject conceptualized by Aristotle in 300 BC through a presentation and worksheet. It covers the themes of biology, characteristics of life, the scientific method, microscopes, and measurements.
Biology Corner
Meiosis
Does day one of meiosis in your biology classroom make you wanna split? Get the class off to a great start using this attractive and thoughtfully worded slideshow. In addition to explaining what happens during each step of meiosis,...
Curated OER
Basic Genetics
Ninth graders discover where their physical appearance and personality traits come from. In this genetics lesson, 9th graders learn about cells, chromosomes, DNA and genes. Students discover where genes come from as well as dominant and...
Curated OER
Mitosis and Meiosis
Students model and differentiate between the processes of mitosis and meiosis. In partners, they use yarn and construction paper to create models for each of the phases of mitosis and meiosis then compare the chromosome numbers in each...
Curated OER
Sponges - A Coloring Worksheet
In this sponges worksheet, students read the information about sponges. Students answer the provided questions about the reading passage. Students color the illustration at the bottom of the page.
Curated OER
The Deep
In this deep ocean worksheet, students answer twenty questions after watching a video about the species that live in the deep ocean. Topics include jelly fish, hatchet fish, anglers, tubeworms, sea urchins, and plants that grow in deep...
Curated OER
Sponges
In this sponges instructional activity, students will explore the characteristics of sponges including their different types of cells and body structures. Students will also determine how sponges reproduce. This instructional activity...
Curated OER
Sexy Coral Reef and I Want My Own Space
Fifth graders explore how coral polyps increase the chances of egg and sperm meeting after being released into the vast ocean waters.
Curated OER
A Model of Morphogenesis in Drosophila Melanogaster
Learners investigate the following scientific terms and ideas: rates of diffusion, the role of morphogens in the development of larva, the chemical dynamics of a cell, and the significance of embryo polarity during development.
Curated OER
Endocrine System
In this endocrine system worksheet, students match the correct gland found in the endocrine system to its hormone and target cell(s). They also describe the actions of each gland and hormone combined together.
Curated OER
Contraception
Just about everything you need to teach a unit on sexual education. Diagrams, charts, factual information all here. This lesson plan is thorough and goes step by step in guiding everyone through the topics providing questions for...
Curated OER
Meiosis Worksheet
These two pages cover the gamut of topics regarding reproduction and DNA replication. Structures, processes, functions, and reasons for them are tested here. The questions are mostly multiple choice, but there are also a few...
Garden Earth Naturalist Club
Parts of a Flower! Flower Dissection
Sometimes the best way to learn about plants is to see the different parts of a plant yourself. Groups of learners dissect flowers to answer questions about what they observe and what they wonder about their flower.
Curated OER
Studying Contraception
Abstinence, different contraceptives, decision-making about sexual activity, and peer pressure are a few of the topics in this lesson. Did you know the majority of youth are not sexually active? This would be a great jumping off point...
Curated OER
Pollination Power
Second graders study and examine the structure of a flower. In this pollination lesson plan, 2nd graders observe pollinators in the garden and dissect a flower. Students then plant strawberry plants in the garden and observe the process...
Curated OER
Pollination Power
Students go out into the garden and observe pollinating animals through hand lenses. In this pollination lesson plan, students also discuss how animals carry seeds to create new plants elsewhere.
Curated OER
Matching Quiz: Chapter 4 vocabulary
In this literacy activity, students define the vocabulary terms found on the left side with the definitions given on the right using the subject of reproduction.
Curated OER
Comparing Ovaries And Testes
In this reproductive system worksheet, students compare specimens of rat ovaries and testes. They complete 5 short answer pre-lab questions, follow an 11 step procedure and answer 5 analysis questions.
Curated OER
Buzzy, Buzzy Bee
Learners simulate honeybees pollinating flowers. In this pollination lesson, students role-play the process of pollination over the course of several seasons. Learners graph results and share their graphs with the class.
Curated OER
How Do Organisms Reproduce
Students examine the difference between mitosis and meiosis, and describe the steps involved in meiosis and the significance of each step. They create a diploid nucleus containing two pairs of chromosomes using clay.
Curated OER
Embryology as Evidence of Evolution
Students observe the two major developmental pathways (protostome and deuterostome). They analyze data regarding differences in nucleotide sequences and construct a phylogenetic tree. They observe the similar evolutionary history shared...
Curated OER
Flower Power
Students explore the parts of flowers and how they reproduce. They dissect flowers and observe the reproductive organs. Students observe anthers and ovaries of Tiger Lilies under a microscope. They investigate how insects and other...
Curated OER
Pregnancy, day 1
A health lesson presents all aspects of conception and pregnancy. Fourth through sixth-graders define terms associated with pregnancy, label a chart of a woman, and discuss how pregnancy occurs. Some excellent activities and a wonderful...