General Science Quiz

Which layer of the Earth is made of solid iron and nickel?

• Crust

• Mantle

• Outer core

• Inner core

What is responsible for the movement of tectonic plates?

• Earth’s rotation

• Ocean currents

• Convection currents in the mantle

• Gravitational pull of the moon

Tags

NGSS.MS-ESS2-3

Which of the following best describes a physical change?

• Burning wood

• Rusting iron

• Melting ice

• Baking a cake

What type of energy transformation occurs in a flashlight?

• Electrical → Mechanical

• Chemical → Electrical → Light

• Light → Chemical

• Thermal → Light

Which structure is found in plant cells but not in animal cells?

• Mitochondria

• Cell membrane

• Nucleus

• Cell wall

What is the primary function of the circulatory system?

• Breaking down food

• Transporting oxygen and nutrients

• Producing hormones

• Controlling movement

A student observes that when the air pressure drops quickly, it often rains. This is an example of a:

• Hypothesis

• Scientific law

• Conclusion

• Theory

Tags

NGSS.MS-ESS2-5

What tool is used to measure wind speed?

• Thermometer

• Barometer

• Anemometer

• Hygrometer

Which process is responsible for the formation of sedimentary rock?

• Cooling and hardening

• Heat and pressure

• Weathering, erosion, and deposition

• Melting and cooling

Tags

NGSS.MS-ESS2-4

Which planet is known for its thick atmosphere of carbon dioxide and extreme greenhouse effect?

• Earth

• Venus

• Mars

• Mercury