Some genetic conditions occur without being inherited. The distinction becomes the focus of the lesson. It details the process of cell division that results in trisomy on various chromosomes. A worksheet highlights the results including...

Students explore concepts of probability and independent events. They develop a formula for deviation percentage.

Students explore the concept of parts making up a whole. In this parts and whole instructional activity, students come to understand that parts of a system must come together in order for the system to work properly. Students investigate...

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...

In this scientific notation learning exercise, students are given examples of how to multiply and divide using scientific notation and they practice both.

In this oxidation state worksheet, students are given rules for assigning oxidation numbers and a chart showing the oxidation states of the elements of a given compound. Students use the rules and the example to find the oxidation states...

In this periodic table activity, high schoolers will label the atomic number, atomic mass, element name, and element symbol for oxygen. Then students will determine the characteristics of the different groups of elements on the periodic...

Divide your school gym into breeding grounds and non-breeding grounds so that your zoologists can play a game simulating the seasonal migration of shorebirds. Players pick one of the included game cards and follow its directions, which...

In this improper fraction and mixed number learning exercise, students learn how to convert from an improper fraction to a mixed number and from a mixed number to an improper fraction. They practice converting from one to the other.

Young scholars identify where mutations might occur and examine what effect those mutations will have through class discussion of DNA replication and cell division. Students then differentiate between mutations that affect individuals...

In this significant figures worksheet, students solve forty eight problems. They identify significant figures in numbers, they complete calculations of addition and subtraction and identify significant figures, they multiple and divide...

For this scientific notation worksheet, students solve 10 problems where they multiply and divide numbers using scientific notation and they express their answers with the proper number of significant figures.

In this uncertainty worksheet, students solve 8 problems of addition and subtraction using the rules for uncertainty notation. They do the same for 7 problems for multiplication and division. Students add, subtract, multiply and divide...

Young scholars use the scientific method to test an idea regarding the structures of a plant as it supports the biological evidence for life. In this growing roots lesson, students use organizing sheets to record their findings. Young...

The calculator has an interesting way of displaying numbers in scientific notation, but don't let that confuse your pupils! A lesson designed to give learners practice with scientific notation and calculators provides several practice...

Students identify cell parts and their function. For this animal cell lesson, students view a video clip and discuss cell components. Students create an edible replica of an animal cell using food items.

Practice converting a conventional number into scientific notation, and vice-versa. Using an applet, they perform the operations of multiplication and division on numbers expressed in scientific notation.

Six chapters of a biology characteteristics of different domains xt are covered in this twenty-page assignment. Biology buffs chart the characteristics of different groups of organisms and address many critical-thinking questions...

After a whole-class discussion of water reservoirs, ten liters of water are given to each lab group to represent Earth's total amount of water. They divide the water into smaller containers, each representing one of those reservoirs. The...

Intended as a follow up to the Protecting Your Drinking Water activity, young environmentalists use their assessment of the a hypothetical town's water supply to debate the installation of underground chemical storage tanks. With...

The principles behind pulleys, levers, and simple machines are the focus of a science lesson. In it, learners take part in a whole-class activity. There are two groups of pupils who each must lift objects with fixed pulleys and multiple...

How do one's habits and lifestyle choices affect the environment? Through a short online survey, learners will calculate their own carbon footprints then determine how to reduce their impact on the environment through simple steps, such...

Challenge your class with an amazing set of ideas that really put the project back into project-based learning. It all starts with a whole class research task. Each learner will look up and take notes on multiple facets of things that...

It's alive! Or is it? Through a series of shared readings, whole class activities, and independent exercises children explore the difference between living and non-living things, creating a pair of printable books...