WCAS Review

A student is identifying properties of chemical particles by using the chart below. Complete the chart by selecting boxes to identify each property as a description of an atom, a molecule, or both

Properties of Particles

Which are composed of more than one particle?

• atom

• molecule

• Hydrogen

Tags

NGSS.MS-PS1-1

the chart below shows environmental characteristics of four ecosystems Which statement accurately describes the vegetation or animals that would be best supported by the ecosystem?

• the desert would support animals that need to remain cool

• the pond would support animals that can survive in saltwater environment

• the tropical rainforest would support plants that are tall and have then needles

• the polar tundra would support plants that are small and grow close to the ground

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-2

What is the chemical formula for water?

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-5

Which of the following is a renewable energy source?

• Coal

• Natural Gas

• Solar Energy

• Nuclear Energy

Tags

NGSS.MS-ETS1-2

What is the acceleration due to gravity on Earth?

• 9.8 m/s^2

• 10 m/s^2

• 8.9 m/s^2

• 9.2 m/s^2

Which organelle is known as the powerhouse of the cell?

• Nucleus

• Mitochondria

• Ribosome

• Endoplasmic Reticulum

Tags

NGSS.MS-LS1-2

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

• Respiration

• Photosynthesis

• Digestion

• Transpiration

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

What is the boiling point of water at sea level?

• 100°C

• 90°C

• 110°C

• 95°C

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