Intro to Physics G8-B

What is the unit of mass?

• meter

• kilogram

• cubic meter

• kilogram per cubic meter

What is the unit of volume?

• meter

• kilogram

• cubic meter

• kilogram per cubic meter

A state of matter where it keeps its shape and volume.

• solid

• liquid

• gas

Which of the following objects is a liquid?

• Ice

• Water

• Water vapor

Which object will float in the drink, ice cubes or boba?

• Ice cubes

• Boba

Why does the liquid in a thermometer rise as it heats up?

• Because the liquid expands as the temperature increases

• Because the liquid expands as the temperature decreases

• Because the liquid contracts as the temperature increases

• Because the liquid expands as the temperature decreases

Which state of matter has the weakest forces of attraction between the particles?

• Solid

• Liquid

• Gas

Which one "floats" when water and oil are mixed together?

• Water

• Oil

• They mixed well

Which one takes more volume?

• 1 kg of water

• 1 kg of ice

Which gas inside a hot air balloon has the lowest density?

• 30°C gas

• 50°C gas

• 80°C gas