Science Quiz: Explore Our World

Which organ system is responsible for transporting oxygen and nutrients around the body?

• Digestive system

• Circulatory system

• Nervous system

• Respiratory system

What is the main function of the respiratory system?

• Breaking down food

• Pumping blood

• Exchanging gases

• Sending signals

Which of the following is NOT a state of matter?

• Solid

• Liquid

• Plasma

• Solution

What is the process called when a solid changes directly into a gas?

• Condensation

• Sublimation

• Melting

• Freezing

Which body system controls and coordinates the activities of the body?

• Muscular system

• Nervous system

• Skeletal system

• Excretory system

Which of the following is an example of a producer in an ecosystem?

• Kangaroo

• Eucalyptus tree

• Dingo

• Wedge-tailed eagle

What is the main source of energy for most ecosystems on Earth?

• The Moon

• The Sun

• Wind

• Water

Which Australian habitat is known for its dry conditions and unique plants like spinifex grass?

• Rainforest

• Desert

• Wetland

• Alpine

Which of the following is a renewable resource?

• Coal

• Oil

• Solar energy

• Natural gas

What is the boiling point of water at standard atmospheric pressure?