Want to add a wow factor to your current chemical changes lesson plan? Try a microscale experiment with colorful precipitates! Partnered learners conduct 10 single displacement reactions and record their observations.

Is there more to evaporation than just less liquid? Show young scientists the energy transformation that occurs during a phase change through a series of simple experiments. Lab partners place drops of water, ethanol, and ethoxyethane on...

Is global warming all smoke and mirrors? Find out what your scholars think with this handout, which has them analyzing two political cartoons on the topic. Background information gives context, detailing the computer hacking during the...

Quiz the class on what they know before you teach it. This assessment will give you an idea of what basic scientific concepts are known to your learners. Physical change, state of matter, and basic plant and animal needs are covered.

Here is a worksheet that has young scientists think about things that been changed as a result of heating and cooling, and if they can be returned to their original form. There are seven scenarios to consider, and they must choose,...

Super scientists visit ten stations to predict, observe, and draw conclusions about the physical and chemical changes that occur when different states of matter—liquid, solid, and gas—are placed under a variety of conditions. To...

In this chemical and physical change worksheet, students are given details about chemical and physical changes. They are given 2 examples using water and salt and they identify 15 statements as chemical or physical changes. Students...

In this physical and chemical change learning exercise, students watch a movie called the "Brain POP" about property changes and fill in the blanks to complete 8 sentences which are examples of chemical and physical changes.

For this chemical and physical change worksheet, students use a sugar cube and observe its physical properties both when it is whole and after it is crushed. They heat the sugar cube and record 5 properties of the matter while being...

Sixty multiple-choice chemistry questions make up this comprehensive exam used for the 2001 US National Chemistry Olympiad. Every topic that you would expect to approach in a general chemistry class is queried on. You could easily use...

Here is a copy of a past national challenge exam that you can use in your general chemistry course as a unit or semester review. Sixty multiple-choice questions query learners on properties of matter, stoichiometry, reactions, and...

The University of the State of New York has designed a series of exams for high schoolers. This chemistry exam is one of the most comprehensive and well-written that you will ever find. It consists of 84 questions in a variety of styles,...

This well-organized lab activity introduces earth science pupils to the greenhouse effect. They will set up two experiments to monitor temperatures in an open jar, a closed jar, and a closed jar containing water. Ideally, you would have...

This pre-assessment launches a unit on climate change and weather. 15 questions, both short answer and multiple choice, asses the classes' knowledge about these concepts. 

For this chemical and physical change worksheet, students read about the differences between substances going through physical changes vs. chemical changes. They are given examples of each and evidence to look for in chemical changes....

In this chemical and physical change worksheet, students conduct a variety of experiments with unknown solutions and make observations. Students determine if the properties of the solutions have changed and if there is...

A ten-question, multiple-choice quiz assesses what your elementary earth scientists know about the atmosphere both before and after a unique unit on global atmospheric change. Make sure to check out the activities and lesson plans...

Extensive notes on foundational chemistry concepts make up this resource. It summarizes the properties of matter, the periodic table, chemical nomenclature, and general chemical bonding. Design a set reading comprehension questions to go...

Young scientists from any region can take a scientific journey and be exposed to weather changes that include rain and snow.

A full-fledged practice final prepares pupils for their general chemistry final exam. If they complete these 57 multiple-choice questions correctly, they will be well-prepared. Note: even though the questions are multiple-choice, there...

Twenty changes have occurred today, and Dr. Sparks needs help sorting them out! First-time physical science fans simply decide whether each represents a physical or a chemical change. The handout would make a useful quiz or review...

What better way is there to introduce conservation of mass than a few simple experiments? Young chemists conduct two chemical reactions, take the masses of reactants and products, then compare their results to determine...

This worksheet would make a nifty quiz on the laws of thermodynamics. Nine multiple choice questions assess high schoolers' understanding of energy transfer, specific heat capacity, phase change, fusion, and vaporization. It is short but...

In this chemistry review worksheet, students identify chemical changes, isotopes, ions, and chemical bonds. This worksheet has 32 multiple choice questions.