Spending and Saving

Which of the following is an example of energy conservation in a closed system?

• A pendulum swinging without air resistance

• A car accelerating on a highway

• A plant photosynthesizing

• A battery discharging in a flashlight

What is the primary reason for the greenhouse effect on Earth?

• Reflection of sunlight by clouds

• Absorption of infrared radiation by greenhouse gases

• Scattering of sunlight by atmospheric particles

• Emission of ultraviolet radiation by the sun

Tags

NGSS.HS-ESS2-4

NGSS.HS-ESS2-6

Which scientific principle explains why a ship floats on water?

• Newton's Third Law of Motion

• Archimedes' Principle

• Pascal's Law

• Bernoulli's Principle

In an experiment, a scientist measures the temperature change of a substance. What type of data is being collected?

• Qualitative

• Quantitative

• Descriptive

• Theoretical

Tags

NGSS.MS-PS3-4

Which of the following best describes the process of photosynthesis?

• Conversion of chemical energy into light energy

• Conversion of light energy into chemical energy

• Conversion of thermal energy into mechanical energy

• Conversion of electrical energy into thermal energy

Tags

NGSS.MS-LS1-6

What is the role of enzymes in biological reactions?

• They slow down reactions

• They act as catalysts to speed up reactions

• They are consumed in the reaction

• They provide energy for the reaction

Tags

NGSS.MS-LS1-7

Which of the following is a renewable source of energy?

• Coal

• Natural Gas

• Wind

• Nuclear

What is the main component of the Earth's atmosphere?

• Oxygen

• Carbon Dioxide

• Nitrogen

• Hydrogen

Which of the following processes is responsible for the formation of clouds?

• Evaporation

• Condensation

• Sublimation

• Precipitation

Tags

NGSS.MS-ESS2-4

What is the chemical formula for table salt?

Tags

NGSS.MS-PS1-1