Leap 2025 Review

What is the primary gas responsible for the greenhouse effect on Earth?

• Oxygen

• Nitrogen

• Carbon Dioxide

• Hydrogen

Tags

NGSS.MS-ESS3-5

Which of the following is a renewable source of energy?

• Coal

• Natural Gas

• Solar Energy

• Nuclear Energy

What is the chemical formula for table salt?

Which organelle is known as the powerhouse of the cell?

• Nucleus

• Mitochondria

• Ribosome

• Endoplasmic Reticulum

Tags

NGSS.MS-LS1-2

NGSS.MS-LS1-7

What is the acceleration due to gravity on Earth?

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

Which element is essential for the production of thyroid hormones?

• Iron

• Calcium

• Iodine

• Magnesium

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

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Which of the following is an example of a chemical change?

• Melting of ice

• Boiling of water

• Rusting of iron

• Breaking of glass

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5