MCAS MCAS Science and Technology/Engineering

Question 1

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

Accepted Answer

Photosynthesis

Answer

Respiration

Answer

Fermentation

Answer

Transpiration

Question 2

Which of Newton's laws states that an object at rest stays at rest unless acted upon by an external force?

Accepted Answer

Newton's First Law

Answer

Newton's Second Law

Answer

Newton's Third Law

Answer

Law of Conservation

Question 3

What type of rock forms from cooled magma or lava?

Accepted Answer

Igneous

Answer

Sedimentary

Answer

Metamorphic

Answer

Limestone

Question 4

What is the basic unit of life?

Accepted Answer

Cell

Answer

Organ

Answer

Tissue

Answer

Molecule

Question 5

Which gas do humans exhale in greater amounts than they inhale?

Accepted Answer

Carbon dioxide

Answer

Oxygen

Answer

Nitrogen

Answer

Hydrogen

Question 6

What is the force that pulls objects toward the center of the Earth?

Accepted Answer

Gravity

Answer

Friction

Answer

Magnetism

Answer

Tension