8th Grade Science Staar Challenge

Which of the following adaptations would most likely help a plant survive in a desert biome?

• Large, broad leaves

• Deep root systems

• High water content in leaves

• Brightly colored flowers

Tags

NGSS.MS-LS2-1

Which of the following systems is primarily responsible for removing carbon dioxide from the bloodstream?

• Digestive system

• Respiratory system

• Circulatory system

• Nervous system

Which layer of the Earth is responsible for the movement of tectonic plates?

• Crust

• Lithosphere

• Asthenosphere

• Inner core

Tags

NGSS.MS-ESS2-3

What is the balanced chemical equation for the formation of water from hydrogen and oxygen?

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-5

Which of the following processes is an example of an exothermic chemical reaction?

• Photosynthesis

• Melting ice

• Combustion of gasoline

• Evaporation of water

Tags

NGSS.HS-PS1-4

What is the Coriolis effect and how does it influence weather patterns?

• It is the deflection of moving objects due to Earth's rotation, affecting wind direction.

• It is the warming of Earth's surface, causing changes in precipitation.

• It is the cooling of Earth's surface, leading to increased cloud formation.

• It is the movement of ocean currents, impacting coastal climates.

Tags

NGSS.MS-ESS2-6

NGSS.MS-ESS2-5

Which of the following energy sources is considered both renewable and clean?

• Biomass

• Hydroelectric power

• Natural gas

• Coal

What is the net force acting on an object if two forces of 5 N and 10 N are applied in opposite directions?

• 5 N

• 10 N

• 15 N

• 0 N

Tags

NGSS.MS-PS2-2

Which biome is characterized by permafrost and low biodiversity?

• Desert

• Tundra

• Temperate forest

• Savanna

Which organ system is primarily responsible for the absorption of nutrients?

• Circulatory system

• Digestive system

• Respiratory system

• Excretory system