Stage-8-Progression-Test-Science-2024-Paper-2

What are alveoli?

• Air sacs found at the end of the bronchioles in the lungs

• Tiny bones in the ear

• Cells that fight infection

• Muscles that help in digestion

Which mineral in the diet is needed to make red blood cells?

• Calcium

• Iron

• Potassium

• Magnesium

What are the products when magnesium reacts with dilute hydrochloric acid?

• Magnesium chloride and hydrogen

• Magnesium oxide and water

• Magnesium sulfate and carbon dioxide

• Magnesium nitrate and oxygen

What is an anomalous result in the context of an experiment?

• A result that fits the expected pattern

• A result that is consistent with other data

• A result that does not fit the expected pattern

• A result that is the average of all data

Which factor, besides current, can change the strength of an electromagnet?

• The color of the wire

• The length of the wire

• The number of coils in the wire

• The type of metal used for the pins

What is a galaxy?

• Clouds of particles in space

• Object orbiting a planet

• Large group of stars

• Small planets

What is stellar dust?

• Clouds of particles in space

• Object orbiting a planet

• Large group of stars

• Planets orbiting around a star

What is the process called when the amount of toxic substance increases along the food chain?

• Bioaccumulation

• Photosynthesis

• Respiration

• Transpiration

Which organism in the food chain has the highest relative concentration of toxic substances?

• Algae

• Mayfly

• Big fish

• Otter

In the context of dissolving, what is the role of water when blue food color is added?

• Solute

• Solvent

• Soluble

• Solution