CKLA Unit 7

What is the primary function of the respiratory system in humans?

• To transport nutrients

• To exchange gases

• To digest food

• To circulate blood

Which of the following is a chemical change?

• Melting of ice

• Boiling of water

• Rusting of iron

• Breaking of glass

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

What is the chemical formula for water?

Tags

NGSS.MS-PS1-1

Which planet is known as the Red Planet?

• Earth

• Mars

• Jupiter

• Venus

What is the process by which plants make their food using sunlight?

• Respiration

• Photosynthesis

• Transpiration

• Digestion

Tags

NGSS.MS-LS1-6

What is the boiling point of water at sea level?

• 0°C

• 50°C

• 100°C

• 150°C

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Which organ in the human body is primarily responsible for detoxification?

• Heart

• Liver

• Kidney

• Lung

What is the main gas found in the Earth's atmosphere?

• Oxygen

• Hydrogen

• Nitrogen

• Carbon Dioxide

What type of energy is stored in a stretched rubber band?

• Kinetic energy

• Thermal energy

• Potential energy

• Chemical energy

Tags

NGSS.MS-PS3-2

Which of the following is an example of a renewable energy source?

• Coal

• Natural Gas

• Solar Energy

• Nuclear Energy