BTEC Applied Science Unit 3: Scientific Investigative Techniques

Flashcards for reviewing key concepts in Scientific Investigative Techniques as part of BTEC Applied Science Unit 3.

A hypothesis is formulated based on __ scientific ideas.

Relevant

In an investigation, the __ variable is the one that is measured.

Dependent

Risks and hazards related to the investigation must be understood for __ safety.

Health and

The method for data collection must be __ and logically ordered.

Clear

Data should be tabulated using correct headings with where appropriate.

Units

Anomalous data should be __ to ensure accuracy in results.

Identified

The __ variable is the one that is changed in an experiment.

Independent

data includes numerical data that can be measured.

Quantitative

The process of carrying out relevant calculations, such as mean and standard deviation, is known as __ data processing.

Processing

Enzymes act as biological __ in chemical reactions.

Catalysts

A factor affecting enzyme activity includes temperature, pH, and __ concentration.

Substrate

To achieve dynamic equilibrium in diffusion, molecules move along a __ gradient.

Concentration

Random sampling ensures reliable and __ data collection.

Valid

The heat energy can be calculated using the formula: heat energy = mass of water × specific heat capacity × __ rise of water.

Temperature

A __ is a drawing that represents the electrical components of a circuit.

Circuit diagram