Text Structures

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 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

What is the chemical formula for glucose?

Tags

NGSS.HS-LS1-5

NGSS.HS-LS1-6

Which organelle is known as the powerhouse of the cell?

• Nucleus

• Ribosome

• Mitochondria

• Golgi apparatus

Tags

NGSS.MS-LS1-2

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

• Respiration

• Photosynthesis

• Digestion

• Fermentation

Tags

NGSS.MS-LS1-6

Which of the following is a renewable source of energy?

• Coal

• Natural gas

• Solar energy

• Nuclear energy

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

• Oxygen

• Carbon dioxide

• Nitrogen

• Hydrogen

Which of the following elements is a noble gas?

• Oxygen

• Nitrogen

• Helium

• Hydrogen

What is the pH level of pure water?

• 0

• 7

• 14

• 5

Which of the following is a conductor of electricity?

• Wood

• Plastic

• Copper

• Glass