In this mixtures worksheet, students read about mixture and what determines if a solute dissolves in a solvent. They answer three questions about solutions and determine from a list of compounds which are soluble in water.

In this matter and energy worksheet, students identify substances as solids, liquids or gases, they use the kinetic theory to describe the motion of particles and they explain the conservation of mass and energy when a substance changes...

In this solutions worksheet, students answer 18 questions about solutions, saturation of solutions, solvents and solubility.

In this comma and semicolon worksheet, students are given sentences that they must correctly punctuate using either a comma or a semicolon.

Learners create models of DNA and RNA using string and beads. They use beads representing the four nitrogenous bases of DNA to create a portion of a strand of DNA, and it's corresponding RNA. Then, learners examine how many of their...

Students investigate static and current electricity. In this electricity lesson plan, students observe 4 demonstrations and conduct 3 activities to explore the repulsion of electrons and the attraction of protons and electrons. They...

Ninth graders investigate ionic bonding through energy level diagrams. In this ion bonding lesson plan, 9th graders observe demonstrations to show energy level diagrams using magnets to represent the subatomic particles. Students fill...

Students investigate factors affecting the rate of solubility. In this rate of solubility lesson plan, students experiment by crushing, heating and cooling solutes and solvents to see how the solubility is affected. For each situation,...

Students investigate osmosis and diffusion in a liquid environment. In this osmosis lesson plan, students use dialysis tubing made into bags and filled with 3 different solutions. They observe the movement of water molecules into higher...

High schoolers observe demonstrations of exothermic and endothermic reactions and determine the changes that take place in a chemical reaction. Students observe four demonstrations showing entropy, attraction of molecules due to...

Students investigate the strength of solutions. In this scientific inquiry lesson plan, students examine various solutions of food color and water as they discover the concentration of the solutions by adding bleach to clear the color.

Students observe the diffusion of air molecules through a balloon. In this chemistry and molecules lesson, students fill balloons with air and a scented substance and observe whether the scented air is able to permeate the balloon.

Young scholars investigate common household items and classify them into types of matter. In this matter lesson, students group given items into categories based on their characteristics. They also complete a concept map about matter and...

Students investigate various chemical reactions when creating mixtures in ziplock baggies. For this chemistry lesson, students will recognize various chemical reactions and cite evidence. Safety and assessment strategies are included in...

Young scholars explore the concepts of force and effort by observing simple machines. In this physics lesson, students attempt to sharpen a pencil without any help, bite into an orange with their lips curled over their teeth, and other...

In this heat transfer and phase change worksheet, students experiment with ice, salt, and milk to show the relationship between the temperature of a solution and its phase. Students turn milk from a liquid to a solid and graph the...

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 triboluminescence worksheet, students use wint-o-green Lifesavers to observe a chemical reaction that gives off light. They break a lifesaver up with a hammer and make observations and they chew a lifesaver and make observations....

In this mini pond worksheet, students create a mini-pond ecosystem with soil, water, and plant life. Students let their ecosystem sit for a day and they observe a sample the next day. Students identify all the pond water microorganisms...

In this solutions instructional activity, students soak a pipe cleaner in hot water and a supersaturated solution of 20 Mule Team Borax. Students leave their pipe cleaner in the solution for 30 minutes and then observe. They put it back...

In this energy crisis and energy alternatives worksheet, students fill in the blanks of sentences when given terms related to the environment, the energy crisis, renewable resources and non-renewable resources.

In this matching phrases with synonymous phrases worksheet, students match each numbered expression with a synonymous expression in a list. Students match 20 phrases.

In this blood sucking animals learning exercise, students answer 20 questions about leeches, mosquitoes, Chepo bugs, and bats which all suck blood to transmit diseases or get nutrients.

In this Mexico worksheet, students research different questions about Mexico. Students use the internet or books to research 20 questions about Mexico.