Social Studies Praxis

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

• Oxygen

• Nitrogen

• Carbon Dioxide

• Hydrogen

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 table salt?

Tags

NGSS.MS-PS1-1

Which planet is known as the Red Planet?

• Venus

• Mars

• Jupiter

• Saturn

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

• Respiration

• Photosynthesis

• Transpiration

• Digestion

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

What is the boiling point of water at sea level?

• 90°C

• 100°C

• 110°C

• 120°C

Tags

NGSS.MS-PS1-4

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

• Heart

• Liver

• Kidney

• Lung

What is the acceleration due to gravity on Earth?

Which of the following is a renewable source of energy?

• Coal

• Natural Gas

• Wind

• Nuclear

What is the pH level of pure water?

• 5

• 6

• 7

• 8