Students describe what scientists mean by an "expanding universe" in their own words. They explain how scientists comprehend the universie is expanding. Students comprehend the vast scale of the universe. They comprehend how theory...

Students investigate the components of chlorophyll. They use paper chromatography to separate the many pigments of chlorophyll from one another.

In this computer activity worksheet, students visit a website and take a Virtual Tour of the Sun. While navigating through the site, they complete 16 fill in the blank questions.

In this length worksheet, students read about the history of a meter. Students also answer 4 comprehension questions about the reading.

In this sound activity, learners understand how sound is created and how the human ear "hears." Students compare the frequency, amplitude, and speed of sound. Then learners complete 10 matching, 7 fill in the blank, and 11 short answer...

Students determine the amount of iron in a sample of cereal. In this iron lesson plan, students use a computer colorimeter to measure the amount of light absorbed by the solutions. They create a calibration curve using standard solutions...

In this light worksheet, students answer twenty six questions about sound and light and how they both travel. They also answer questions about different types of waves in the electromagnetic spectrum such as radio waves, visible light,...

Students explore the human ear. In this biology lesson plan, students develop a better understanding of the various parts of the human ear as they explore a hands-on apparatus.

In this leaf chromatography worksheet, students separate the pigments of a leaf using paper chromatography. They answer 4 questions about their results and draw the colors they observe on their chromatogram from the leaf.

In this data corruption by high-energy particles, students solve 4 problems about the solar flare that corrupted the imagers measuring them. Students find the speed of the arriving particles and the percentage of light-speed the...

In this solar observatory worksheet, learners read about the solar observation data that NASA will be collecting. Students solve 6 problems related to the collection of data using computers to store the solar data using gigabytes,...

In this ice on Mercury worksheet, students read about the data collected from the NASA Messenger and the Arecibo Radio Telescope indicating the possibility of ice on Mercury. Students solve 6 problems including finding the scale of the...

In this time intervals worksheet, high schoolers solve 8 problems where they determine the time gamma-ray bursts last, the time black hole micro-flares are emitted, the time coronal mass ejections travel and the days between lunar phases...

In this detecting dwarf planets learning exercise, students read about the Webb Space Telescope that will be launched in 2014 to detect dwarf planets using an infrared telescope. Students solve 3 problems and create a graph for each...

Students use the energy of the sun to make s'mores. In this solar energy lesson, students gather the listed materials and follow the procedures to find out if they can make s'mores using solar energy.

Students access prior knowledge of infrared rays, ultraviolet rays, gamma rays, x-rays and cosmic waves. In this electromagnetic waves lesson, students hold a mock trial electromagnetic spectrum. Students present characteristics of the...

In this electronics activity, students explore the properties of semiconductors to complete 17 short answer and problem solving questions.

In this earth science worksheet, students read and study facts about tsunami and earthquakes to complete 8 short answer questions that follow.

High schoolers study the color of stars. In this astronomy based lesson, students observe the colors in an open flame and apply the information collected about color and temperature to the visible light emitting from the photosphere of...

Learners examine the basics of luminous efficacy and why it is used.  In this light source lesson plan students test energy efficiency and the luminous efficiency for babies.

Learners identify the different leaf pigments and colors. In this biology activity, students perform chromatography to separate them. They explain how light affects green leaf colors and causes falling leaves in autumn.

Learners explore the solar cycle through a series of experiments. In this space science lesson, students construct and evaluate solar cycle graphs. They explain how this phenomenon affects the Earth.

Students examine general properties of electromagnetic waves, identify position of each type of radiation in spectrum, discuss methods used to detect and analyze waves, and analyze relation between specific wave properties and their...

Students demonstrate the greenhouse effect. They recognize that relatively small changes to our environment can stimulate significant climate changes. They determine that the "scientific method" is a process of testing hypotheses and...