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31,871 reviewed resources

Lesson Planet

The Flower and the Fly

For Students 9th - Higher Ed
It's like a biological "Beauty and the Beast!" The fascinating mutualism between a South African meganosed fly and a deep-throated geranium builds a case study in coevolution for your biology buffs to analyze. After reading about this...
Lesson Planet

Changing Planet: Permafrost Gas Leak

For Teachers 7th - 12th
Pair earth scientists up to use an amazing online arctic portal mapping tool and Google Earth to analyze permafrost changes. They compare changes to data on atmospheric concentrations of methane to see if there is a correlation. Then...
Lesson Planet

Projectile Motion

For Teachers 9th - 12th
Here is a rare gem for physics teachers! An engaging collection of slides opens with a question about aiming a slingshot at a monkey as it lets go of the branch from which it hangs. Projectile motion concepts are presented with graphics,...
1 In 1 Collection
Lesson Planet

Time for Mitosis Lab

For Students 7th - 12th
After examining the cells of an onion root tip, budding biologists analyze numbers of cells in each different phase of mitosis. They combine their counts with other students' data and then calculate the amount of time a cell might spend...
Lesson Planet

Raven Chapter 12 Guided Notes: Sexual Reproduction & Meiosis

For Students 9th - 12th
Young biologists define reproduction vocabulary terms, answer critical-thinking questions, label a diagram of the human life cycle, and complete a chart comparing mitosis to meiosis. This is a well-balanced worksheet. Even though it...
Lesson Planet

It's Getting Hot in Here

For Teachers 5th - 12th
Discover the environmental and economic impact of global warming. After reading an article, emerging environmentalists identify how different countries are responding to the Kyoto Protocol. They research emission laws and write a news...
Lesson Planet

Translation WS

For Students 9th - 12th
Translation, the second half of the protein synthesis process, is reviewed in this nifty handout. Young DNA experts explain what codons are and how they work. They label diagrams and differentiate between introns and exons. The worksheet...
Lesson Planet

How Big Can a Bee Be?

For Teachers 7th - 10th Standards
Mathematicians analyze the relationships between surface area and volume. They conduct Internet research, conduct various experiments, record the data in a spreadsheet, and graph the results and compare the rate of increase of surface...
Lesson Planet

Telling Tides

For Teachers 6th - 12th
An excellent lesson tidal patterns is here for your middle and high schoolers. In it, learners read a tide chart, determine the high and low tides for a particular place, and learn how to correct for differences in tidal times and...
Lesson Planet

Radioactivity, Time, and Age

For Teachers 9th - 12th
Four activities demonstrate the chain reaction of nuclear fission to your physical science fans: falling dominoes, snapping mouse traps, throwing paper wads, and igniting a series of matches. They perform additional laboratory activities...
Lesson Planet

Properties of Useful Carbon Compounds

For Teachers 10th - 12th
Nine action-packed organic chemistry exercises are contained in this mini-unit on carbon containing compounds. Examples include constructing models of alkanes, producing aromatic esters, and preparing pigments for paint and dyes....
1 In 1 Collection
Lesson Planet

Hic-Hic-Hooray!

For Teachers 6th - 12th Standards
What is really the best way to get rid of hiccups? Investigate some old wives' tales and folk remedies related to health. Middle schoolers explore the science behind why people might believe these myths to be true and find the real...
Lesson Planet

Chemical Formulas for Molecules

For Teachers 7th - 12th
Newcomers to chemistry compare hydrogen peroxide to water, realizing that the difference of one oxygen atom significantly affects the chemical properties. Other pairs of compounds and their formulas are also examined. A few chemical...
Lesson Planet

Evidence Revealing the Composition of the Atom

For Teachers 9th - 12th
Investigators use indirect evidence to guess what is occupying a sealed box. You could also use a set of plastic Easter eggs to encase the unknown items. Another terrific activity involves having students drop a pencil on a sheet of...
Lesson Planet

Acids, Bases, and Indicators

For Teachers 7th - 10th
Chemistry or physical science fledglings get comfortable identifying acids and bases with a variety of pH indicators. They discover that different indicator solutions have different ranges, practice testing soil acidity, and use antacids...
Lesson Planet

Observing Chemical Reactions

For Teachers 9th - 12th
Start this series of lessons with a bang! Five exothermic reactions are outlined in this resource, including a demonstration that produces both light and sound. In the lab, chemistry apprentices record temperature changes, make hand...