Learners determine the forces necessary to move a truck on an inclined plane with weight and slope as variables. They identify the cheapest way to transport trash to local garbage disposal sites.

In this linear motion worksheet, students answer 12 questions including finding acceleration of moving objects, calculating distance objects travel and determining the time of travel. Students interpret graphs of position vs. time,...

In this electronics worksheet, students predict the values of circuit components and compare this with the actual measured values. They solve 62 problems related to the circuits.

Fifth graders compare and identify variables that affect the rate of a chemical change using Alka-Seltzer, water, ice, and hot water. They time how long each variable takes to pop the canister into the air, and record the results on a...

Students investigate various chemical reactions when creating mixtures in ziplock baggies. In this chemistry instructional activity, students will recognize various chemical reactions and cite evidence. Safety and assessment strategies...

In this electrical circuit worksheet, learners answer a series of 21 questions about sum of product and product of sum, and Boolean expression for a logic circuit. They design and build a circuit board using  PC-board relays to show...

Students share hypotheses about the variables needed to produce a collision between two moving objects. They simulate the impact of a moving object on an object that creates a spray of debris, and simulate a NASA Deep Impact study.

Students explore the exponential growth and decay of microbial populations in relation to the organism tolerance ranges in their environment, They observe the impact of changing variables which can affect microbial populations.

Students collect weed seeds from three varieties of weeds (knapweed, thistle, or toadflax, for example they may choose others in addition to the spotted knapweed.) They sterilize soil for thirty containers, plant seeds in sterile soil,...

In this momentum worksheet, students calculate momentum from the mass and velocity of an object. Students learn about the Law of Conservation of Momentum. This worksheet has 8 matching, 6 fill in the blank, and 8 word problems.

Young scholars investigate the effects of weights on the motion of a toy car. In this force and acceleration lesson plan, students use different weights, a toy car, a paper clip and string to determine how a car will move as different...

In this voltage, current and resistance worksheet, learners answer 21 questions about voltage, current and resistance. They find the current in batteries, they find the voltage in a resistor and they identify the voltage in circuits.

Students analyze an apple. In this instructional activity about developing inquiry skills, students do an experiment with an apple. Students make several observations about the apple. Students answer questions to help them improve and...

Students conduct a series of tests to identify unknown compounds. In this chemistry lesson, students compare the physical and chemical properties of substances. They collect data and formulate a conclusion.

Ninth graders, in groups, create and videotape a news broadcast. Each group researches, develops and writes a weather forecast, a commentary on an environmental concern, a school activity and a commercial.

Students explore the reaction rates of an enzyme-mediated reaction through experimentation. In small groups, they use everyday objects to demonstrate the effects of environmental variables on enzyme function. Students graph and...

Students consider what happens to herbicides or insecticides that are used in agricultural practices, especially herbicides that are used to control noxious weeds. They become acquaint with a chemical assessment method known as...

Students focus on a force and motion problem, explore it, reflect on it and apply it while completing experiments.  In this motion lesson, students experiment with force and motion by creating a track for testing cars.  

In this acid and base equilibrium worksheet, students calculate the pH of various types of acids and bases. They are given directions and review information as to how to complete these problems.

In this ideal gas law, molar mass and density worksheet, students read about how the molar mass and density of a gas can be determined from the ideal gas law. They solve five problems using the ideal gas law to find the pressure,...

In this naming ionic compounds worksheet, students write the chemical name of 8 ionic compounds given their formulas. They include the Roman numerals for compounds with variable oxidation numbers. Students also write the chemical...

In this acid and base equilibrium worksheet, students calculate the pH of given acid and base problems using different starting materials. They are given information and hints as to how to work with acid/base equilibrium problems.

In this graphing linear motion worksheet, students answer 20 questions about velocity of objects, the distance they travel and the time. They interpret a graph of position vs. time and identify the velocity at certain point on the graph.

Students investigate the pH of the soil in which different plants grow. They design and carry out an experiment to determine the factors that affect the growth of a population of plants, identifying and controlling major variables...