Fast Reading

What is the primary function of the retina in the human eye?

• To focus light onto the lens

• To detect light and convert it into neural signals

• To control the amount of light entering the eye

• To protect the eye from dust and debris

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?

Tags

NGSS.MS-PS2-2

Which organelle is known as the powerhouse of the cell?

• Nucleus

• Ribosome

• Mitochondria

• Golgi apparatus

Tags

NGSS.MS-LS1-2

What is the chemical formula for table salt?

Tags

NGSS.MS-PS1-1

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

• Coal

• Natural gas

• Solar energy

• Nuclear energy

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

• Respiration

• Photosynthesis

• Transpiration

• Digestion

Tags

NGSS.MS-LS1-6

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

• Oxygen

• Carbon dioxide

• Nitrogen

• Hydrogen

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

Tags

NGSS.MS-PS1-4

Which of the following elements is a noble gas?

• Oxygen

• Nitrogen

• Helium

• Hydrogen