Lessons

At which point does the rolling can have the most elastic energy?

• Point 1

• Point 2

• Point 3

Tags

NGSS.MS-PS3-1

What is the chemical formula for water?

Tags

NGSS.MS-PS1-1

Which of the following is a renewable energy source?

• Coal

• Natural Gas

• Solar Energy

• Nuclear Energy

What is the acceleration due to gravity on Earth?

• 9.8 m/s^2

• 8.9 m/s^2

• 10.5 m/s^2

• 7.8 m/s^2

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 process by which plants make their food using sunlight?

• Respiration

• Photosynthesis

• Digestion

• Transpiration

Tags

NGSS.MS-LS1-6

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

• 100°C

• 90°C

• 80°C

• 110°C

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

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

• Oxygen

• Carbon Dioxide

• Nitrogen

• Hydrogen

What is the primary function of red blood cells?

• Fight infections

• Transport oxygen

• Clot blood

• Produce hormones

What is the chemical symbol for gold?

• Au

• Ag

• Pb

• Fe