Refine Your Results

Content Curators

Grades

Subjects

Resource Types

Standards

Now... gain access to over 2 Million curated educational videos and 500,000 educator reviews to free & open educational resources

Get a 10 Day Free Trial

99 reviewed resources

2 In 2 Collections
Lesson Planet

Changing State: Melting

For Students 6th - 8th Standards
Dry ice is extremely cold — it is -109.3°F or -78.5°C. Scholars observe and explain the molecular motion associated with melting. Then they design their own experiments to speed up the melting process. Finally, a teacher presents a...
2 In 2 Collections
Lesson Planet

Changing State: Freezing

For Students 6th - 8th Standards
There are five types of frost: ground frost, air frost, hoar frost, glaze, and rime. Scholars mix ice and salt in a metal container to observe frost forming on the outside of the can. Animations and videos enhance the learning. 
2 In 2 Collections
Lesson Planet

Changing State: Evaporation

For Teachers 6th - 8th Standards
Why do experiments require a control? Guide scholars through designing an experiment to see what they can do to evaporate water faster with a lesson that stresses the importance of controlling all variables. The second activity allows...
2 In 2 Collections
Lesson Planet

Heat, Temperature, and Conduction

For Teachers 6th - 8th Standards
How does heat move from one item to another, even when the items are in different states of matter? Pupils experiment with adding washers to hot water and adding hot washers to room temperature water to observe the heat transfer. 
2 In 2 Collections
Lesson Planet

The Periodic Table and Energy-Level Models

For Teachers 6th - 8th Standards
Teach your class to think of electrons as tiny packets of energy that travel in waves. Through a short video and diagram, participants see how electrons are located around the nucleus of an atom. They then get into groups and try to...
2 In 2 Collections
Lesson Planet

Temperature Changes in Dissolving

For Students 6th - 8th Standards
Alia-Seltzer tablets cause a very obvious chemical change, but do they also cause a temperature change? Each class member explores hot/cold packs, discussing how these temperature changes occur. Groups then design and carry out their own...
2 In 2 Collections
Lesson Planet

Why Does Water Dissolve Salt?

For Teachers 6th - 8th Standards
Individuals explore solubility by modeling how water dissolves salts. They then view a video and compare how well water and alcohol dissolve salts, relating their comparisons to the structure of each molecule. 
2 In 2 Collections
Lesson Planet

Surface Tension

For Teachers 6th - 8th Standards
A drop of dew holds a sphere shape even when sitting on a seat thanks to the surface tension of water. Learners observe the phenomena of surface tension in water. Through demonstrations, hands-on activities, and discussions they explore...
2 In 2 Collections
Lesson Planet

Can Liquids Dissolve in Water?

For Teachers 6th - 8th Standards
How does food coloring work? Classes watch a demonstration showing liquids dissolving in liquids. In groups, they then explore the ability of other liquids to dissolve in water (alcohol, mineral oil, and corn syrup) by setting up and...
2 In 2 Collections
Lesson Planet

Why Does Water Dissolve Sugar?

For Teachers 6th - 8th Standards
Did you know that if you wait long enough, the M on the outside of an M and M will float to the surface when submerged in water? Learners observe the sugar coating of an M and M while it is dissolving in water. They explain how this...
2 In 2 Collections
Lesson Planet

Water is a Polar Molecule

For Teachers 6th - 8th Standards
A water strider is a bug that taps into the attraction between the positive and negative ends of water, allowing the bug to walk on water. Learners view short videos showing polar characteristics of water. Pairs then discuss what polar...
2 In 2 Collections
Lesson Planet

Changing State: Condensation

For Teachers 6th - 8th Standards
When you have a cold drink and you notice the water forming on the outside, it is literally pulling the water from the surrounding air to form the condensation. After watching a demonstration of condensation forming on a glass,...
Lesson Planet

The Making of the Fittest: The Birth and Death of Genes

For Students 8th - Higher Ed Standards
After watching an engaging 13-minute video about the colorless blood of icefish, future ichthyologists examine icefish blood and non-icefish blood (blood samples are simulated with Karo syrup mixtures) to determine advantages of...
Lesson Planet

Next Generation Science Standards

For Students K - 12th Standards
Are you having trouble deciphering the Next Generation Science Standards on the website, or just trying to find the standards for your grade in a quick-and-easy format? If so, here is a free and easy-to-navigate app made with you in mind.
1:19
Lesson Planet

Phase Changes | Phases of Matter | UNC-TV Science

For Students 6th - 12th Standards
New ReviewTake an energetic ride through the phase changes of a water molecule in a compact activity. Young scientists learn about the phases of matter and discover the role of thermal energy in governing phase changes while watching a short...
1:20
Lesson Planet

The 3 Phases | Phases of Matter | UNC-TV Science

For Students 6th - 12th Standards
New ReviewExplore the states of matter without the mess or expensive equipment in a compact, informative activity. Scientists watch as the narrator explains the three states of matter using a glass of ice and soda in an animated video that...
Lesson Planet

House Warming

For Teachers 3rd - 8th Standards
Things should heat up during a hands-on lesson exploring solar energy. An enlightening activity challenges young scientists to design a structure that collects solar energy efficiently. They keep track of temperature data over time and...
Lesson Planet

Insulation Station

For Teachers 3rd - 8th Standards
It's all about the material. Learners experiment with different substances as they try to keep an ice cube from melting. They draw conclusions by answering a set of questions about the types and amount of material that had the best result.
Lesson Planet

Dry Ice Experiments

For Teachers 6th - 12th Standards
Freeze it to eat it. The classroom instructor demonstrates a few activities using dry ice. Two of the demonstrations show the carbon-dioxide gas coming from the melting dry ice is heavier than the surrounding air. Learners then use the...
Lesson Planet

CK-12 Earth Science Concepts for Middle School

For Students 6th - 8th Standards
Explore a variety of science concepts in an interactive textbook created for middle school scholars. A lengthy table of contents takes readers to pages comprised of a subject overview, outline, and summary. Follow links further to find...
1 In 1 Collection 4:21
Lesson Planet

STEMonstrations: Spacewalk Part 1: Safety and Training

For Teachers 6th - 8th Standards
What does it take to protect astronauts from the elements? Budding scientists watch an installment from the STEM on Station series to learn about the training procedures astronauts complete to prepare for space walks. The accompanying...
Lesson Planet

Floaters and Sinkers

For Teachers 7th - 9th Standards
Whatever floats your boat. Young engineers learn about density by measuring the masses and volumes of boxes filled with different materials. Using their knowledge of densities, they hypothesize whether objects with given densities will...
Lesson Planet

What Is the Opposite of Sweating?

For Teachers 6th - 12th Standards
Heat is not all created the same! Learners experiment with evaporation and condensation to investigate heat transfer. They compare the rate chocolate melts with dry heat to a sample that melts with water vapor using the same heat source.
Lesson Planet

Can Boiling Make Something Freeze?

For Teachers 6th - 12th Standards
Use boiling as an avenue for freezing. Young scholars watch as liquid nitrogen removes heat from the ingredients for ice cream. As this happens, the nitrogen boils and the ice cream freezes—all in the same container. A little science magic!