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What is the primary function of the cell membrane in biological cells?

• To store genetic information

• To control the movement of substances in and out of the cell

• To produce energy for the cell

• To synthesize proteins

Tags

NGSS.MS-LS1-2

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 acceleration due to gravity on Earth?

Which of the following elements is a noble gas?

• Oxygen

• Nitrogen

• Helium

• Hydrogen

What is the chemical formula for table salt?

Which organelle is known as the powerhouse of the cell?

• Nucleus

• Ribosome

• Mitochondria

• Chloroplast

Tags

NGSS.MS-LS1-2

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

• Respiration

• Photosynthesis

• Transpiration

• Fermentation

Tags

NGSS.MS-LS1-6

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

• Coal

• Natural Gas

• Solar Energy

• Nuclear Energy

What is the pH level of pure water?

• 0

• 7

• 14

• 5

Which of the following is the most abundant gas in Earth's atmosphere?

• Oxygen

• Carbon Dioxide

• Nitrogen

• Hydrogen