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Practical skills
Revision and exam practice for Practical skills.
16
Objectives
10
Flashcards
10
Questions
90 min
Study time
OcrGcseCombined Science A GatewayPractical skills
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16 objective pages available
Microscope Use, Magnification, and Scientific Drawing1 objectives
- Use microscopes, magnification and measurement equipment to observe specimens and produce labelled scientific drawings.
Ecological Sampling and Measurement1 objectives
- Use ecological sampling and measurement methods to compare the distribution and abundance of organisms and relevant environmental factors.
Investigating Factors Affecting Enzyme Reaction Rates1 objectives
- Investigate factors that affect the rate of an enzyme-controlled reaction using safe heating, controlled variables and quantitative measurements.
Investigating Factors Affecting Photosynthesis Rate1 objectives
- Investigate factors affecting photosynthesis rate using suitable living material, controlled variables and safe quantitative measurements.
Investigating Antimicrobial Effectiveness Using Aseptic Technique1 objectives
- Use safe aseptic methods to investigate the effectiveness of antimicrobial agents on bacterial growth.
Understanding Electrochemical Cells and Electrolysis Product Identification1 objectives
- Construct and use an electrochemical cell safely and identify the products of electrolysis.
Distillation: Separating Liquid Mixtures1 objectives
- Use distillation apparatus and safe heating to separate a liquid mixture while recording relevant measurements.
Separating Mixtures Using Chromatography1 objectives
- Use chromatography and other suitable separation techniques safely to separate and identify substances in a mixture.
Preparing Pure Dry Salts: A Practical Guide1 objectives
- Prepare a pure dry salt using controlled reactions, separation, evaporation and crystallisation with appropriate safety precautions.
Investigating Reaction Rates1 objectives
- Measure how a selected factor affects reaction rate using controlled variables, repeated measurements and a suitable quantitative method.
Determining Density of Solids and Liquids1 objectives
- Measure mass and volume accurately to determine the densities of solid and liquid materials.
Investigating Spring Behaviour: Force and Extension1 objectives
- Measure force and extension to investigate the behaviour of springs safely.
Investigating Motion: Speed and Acceleration of a Trolley1 objectives
- Measure distance and time to determine the speed and acceleration of a trolley moving down a ramp.
Investigating Wave Properties: Speed, Frequency, Wavelength, Reflection, and Refraction1 objectives
- Measure wave speed, frequency and wavelength and investigate reflection and refraction using suitable apparatus.
Investigating Specific Heat Capacity1 objectives
- Measure energy transfer and temperature change to determine the specific heat capacity of a material.
Investigating Circuit Component Characteristics1 objectives
- Construct circuits and measure current and potential difference to investigate circuit-component characteristics.
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Practice preview
- An experiment to determine the specific heat capacity of an aluminium block involves measuring its mass, the energy supplied by an electrical heater, and the temperature change. What is the most significant source of error in this experiment?
- Which statement correctly describes what happens when a spring exceeds its elastic limit?
- When conducting a quadrat sampling experiment, why is it essential to use a random number generator to select sampling locations?
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