NeSA NeSA Science

Question 1

Which organelle is known as the 'powerhouse of the cell' because it produces ATP through cellular respiration?

Accepted Answer

Mitochondria

Answer

Nucleus

Answer

Ribosome

Answer

Chloroplast

Question 2

During photosynthesis, plants use carbon dioxide, water, and sunlight to produce glucose and which other substance?

Accepted Answer

Oxygen

Answer

Nitrogen

Answer

Hydrogen

Answer

Carbon monoxide

Question 3

Which type of rock is formed when molten magma cools and solidifies?

Accepted Answer

Igneous

Answer

Sedimentary

Answer

Metamorphic

Answer

Limestone

Question 4

What is the term for the total amount of energy an object has due to both its motion and its position?

Accepted Answer

Mechanical energy

Answer

Thermal energy

Answer

Chemical energy

Answer

Nuclear energy

Question 5

Which layer of Earth's atmosphere contains the ozone layer that absorbs harmful ultraviolet radiation?

Accepted Answer

Stratosphere

Answer

Troposphere

Answer

Mesosphere

Answer

Thermosphere

Question 6

In an ecosystem, which organisms are classified as primary producers because they create their own food from sunlight?

Accepted Answer

Autotrophs

Answer

Herbivores

Answer

Carnivores

Answer

Decomposers

Question 7

What property of matter describes the amount of matter in an object and does NOT change based on location?

Accepted Answer

Mass

Answer

Weight

Answer

Volume

Answer

Density