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Collision Lab

This simulation allows students to use an air hockey table to investigate simple collisions in 1D and more complex collisions in 2D. Students can experiment with the number of discs, masses, initial conditions, and can vary the elasticity and see how the total momentum and kinetic energy changes during collisions...

Forces in 1 Dimension

In this simulation students can explore the forces at work when they try to push a filing cabinet. They can create an applied force and see the resulting friction force and total force acting on the cabinet. There are charts that show the forces, position, velocity, and acceleration versus time.

Masses and Springs

In this simulation students can hang masses from springs, adjust the spring stiffness and damping, and even slow time. The lab can be transported to different planets and there is a chart which shows the kinetic, potential, and thermal energy for each spring.

[b]Sample Learning Objectives[/b]

*Explain...

Online ecology one - measuring abundance and random sampling on a footpath

This online ecology practical, from SAPS, uses random sampling to measure the abundance of various different species on an area of grassland.

Objectives

To give students practice at

  • using random sampling to measure the abundance of various different species on an area of...

Online ecology two - the distribution of species across a field

This online ecology practical, by SAPS, is designed to give students an opportunity to see how systematic sampling can be used to

  • investigate changes in species richness across a footpath
  • the distribution of species across a footpath

These online exercises are not intended as a...

Online ecology three - abundance and random sampling at Waun Las nature reserve

In this resource from SAPS, students learn about random sampling, diversity and different measures of abundance, before looking at close-up photographs of quadrats and using the field guide to identify them. The resources are intended to help students develop skills and plant identification techniques before going...

Probability: Biased Coins

This excel program illustrates the effect of introducing bias when throwing coins.

The first interactive excel sheet simulates the outcome of throwing a coin ten times. The probability of each outcome is plotted and shown in a table, alongside the cumulative probability. The probability of obtaining a head...

Algebra: Substitution

This excel program contains a series of interactive spreadsheets designed to give practice in substitution values into expressions containing either one or two variables. Positive or negative values may be selected.

The workbook contains a further six worksheets providing further questions for use in the...

Algebraic Equations

This excel file contains a series of sheets which generate different types of equations involving algebraic fractions. The different types include denominators which are single term, linear and quadratic expressions. The quadratic expressions all have 1 as the coefficient of x2.

Students need to be able to...

Algebraic Fractions

This excel file contains a series of sheets which generate terms involving algebraic fractions which need to be combined and simplified. The different types include denominators which are single term, linear and quadratic expressions.

The quadratic expressions all have 1 as the coefficient of x2. For success...

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