This parent guide supports parents in helping their child at home with the 8th grade Science content.
This resource accompanies our Rethink 8th Grade Science course. It includes ideas for use, ways to support exceptional children, ways to extend learning, digital resources and tools, tips for supporting English Language Learners and students with visual and hearing impairments. There are also ideas for offline learning.
In this lesson, students will conduct several investigations to help them to understand the differences between chemical and physical changes. Students will record investigative observations and use their observations to provide evidence that a physical or a chemical change has occurred.
This activity demonstrates chemical reactions as evidenced by color changes. Students will systematically evaluate all possible combinations of solutions and draw inference from their observations to determine which combinations experience a chemical reaction.
In this activity, students will obtain evidence to demonstrate that heat is involved in a chemical change.
With this resource, students will view and analyze of video of vinegar and baking soda.
Whenever a chemical change occurs, there are often changes in the physical properties of the substance that undergoes the change. Remember how different a fried egg looks from the raw egg? In this activity, students test the temperature and see how this physical property changes as a result of chemical change.
With this resource, students will oxidize a penny.
With this resource, students will demonstrate the relationship between changes and energy.
In this activity, that provides enough ice cream for four people, students will remove heat energy and observe changes.
This activity is designed to help students identify the phases of matter. Students will experiment with and record measurements to determine the relationship between the water in all three phases of matter and temperature.
This activity will allow students to experiment with variables and see how they can affect chemical changes!
Using this resource, students will compare physical and chemical properties of matter.
Using this resource, students will sort materials based on properties.
In this activity, students investigate and demonstrate chemical change by hollowing out the interior of a penny by dissolving the zinc inside with toilet bowl cleaner. This acitvity pairs well with the activity "Physical Change - Pennies."
In this lab activity, students will investigate chemical changes that occur when acids and bases react. It is meant to introduce the concepts of chemical changes, mass of gases, conservation of mass, and balancing equations. Students will make qualitative observations and quantitative measurements.
In this lesson, students will be reminded of the greenhouse effect. In small groups of 3-4 students, they will be given a chemical compound related to climate change to research. They will become proficient in the chemical and physical properties of the compound and proceed to research its impact in climate change and connect it to combustion or ocean acidification. The groups will conclude their work by informing their classmates about the process and explaining what we can do each day to help limit our personal production of greenhouse gases.
This video discusses the difference between chemical and physical changes.
This video discusses the difference between chemical and physical changes.
This supplemental resource is to be used during the lesson "Chemistry 201: Physical and Chemical Properties and Changes." In this lab activity, students observe various changes in matter, massing the chemicals before and after the changes.