Units: Intro to Science

What is the main learning intention of Chapter 1B in the Science inquiry skills unit?

• To understand the ethical considerations in planning investigations

• To communicate the importance of standardized units and use appropriate units when recording data

• To learn how to select equipment for data collection

• To measure and control variables in fair tests

What is the purpose of using standardized units in scientific investigations according to Year 7 curriculum?

• To make the data look more complex

• To allow the values to be understood by other scientists

• To display data to a certain number of decimal points

• To represent the degree of error when recording values

What does SI stand for in the International System of Units?

• Standard International

• System International

• Système International

• Scientific International

What is the SI base unit for mass?

• Ampere

• Kelvin

• Kilogram

• Mole

Which of the following is NOT a reason why scientists use SI units?

• To ensure measurements can be compared and understood by scientists in other countries

• To allow experiments to be repeated by other scientists

• To make sure findings can be shared with cat lovers

• To ensure findings can easily be shared with other scientists

What is the SI base unit for thermodynamic temperature?

• Second

• Candela

• Ampere

• Kelvin

What is the symbol for the SI base unit of luminous intensity?

• m

• A

• kg

• cd

What is the SI unit for measuring frequency?

• Newton

• Joule

• Hertz

• Watt

Which of the following is a derived unit?

• Litre

• Square metre

• Metre

• Kilogram

What is the unit used to measure energy, work, and heat?

• Newton

• Joule

• Hertz

• Watt