The Digestive System Quiz

The rate of photosynthesis in pondweed can be affected by temperature. Describe a method you could use to investigate the effect of temperature on the rate of photosynthesis. (enter your answer)

You should include:

• how you would set up the apparatus and the materials you would use
• the measurements you would make
• how you would control other variables.

A biologist wants to investigate the abundance of crabs on a rocky shoreline. (enter your answer)

Describe a method the biologist could use to estimate the abundance of crabs in this environment.

You should include:

• how to set up the sampling method
• how to collect and record data
• how to ensure accuracy and reliability of results.

A student investigated the rate of gas production when different concentrations of sodium thiosulfate react with hydrochloric acid to produce sulfur dioxide.

Describe a method the student could use to measure the rate of reaction. (enter your answer)

You should include:

• how to set up the apparatus and the materials you would use
• the measurements you would make
• how you would control other variables

A student wants to investigate the order of reactivity of three metals (e.g., magnesium, zinc, and copper). They are not sure about the method that should be used.

Plan an investigation to determine the order of reactivity. (enter your answer)

You should include:

• How to set up the apparatus and the materials you would use
• How to collect and record data
• How to ensure accuracy and reliability of results

Students are told that they should investigate how the resistance of a wire changes with its length.

Plan an investigation to determine the relationship between the length of a wire and its resistance. (enter your answer)

You should include:

• how to set up the apparatus and the materials you would use:
• how to collect and record data
• how to ensure accuracy and reliability of results.

Students in a physics class have been learning about Hooke’s Law and want to learn more.

Plan an investigation to determine the relationship between the force applied to a spring and its extension. (enter your answer)

You should include:

• how to set up the apparatus and the materials you would use
• how to collect and record data
• how to ensure accuracy and reliability of results.

Which river flows through the city of Rome?

Which structure was used for gladiatorial contests in ancient Rome?