OGET Science & Scientific Inquiry

Question 1

Which of the following best describes the purpose of a control group in a scientific experiment?

Accepted Answer

To serve as a baseline for comparison against the experimental group

Answer

To introduce the independent variable to test its effects

Answer

To record the dependent variable measurements

Answer

To eliminate all variables from the experiment

Question 2

In the scientific method, a hypothesis is best defined as:

Accepted Answer

A testable prediction or explanation for an observation

Answer

A proven fact supported by multiple experiments

Answer

A summary of experimental results

Answer

A question about a natural phenomenon

Question 3

Which of the following is an example of qualitative data collected during a science experiment?

Accepted Answer

The color change observed when two chemicals are combined

Answer

The temperature of a solution measured in degrees Celsius

Answer

The mass of a sample recorded in grams

Answer

The time elapsed during a chemical reaction in seconds

Question 4

Newton's Third Law of Motion states that:

Accepted Answer

For every action, there is an equal and opposite reaction

Answer

An object in motion stays in motion unless acted upon by an external force

Answer

Force equals mass times acceleration

Answer

The acceleration of an object is inversely proportional to its mass

Question 5

Which type of rock is formed from the cooling and solidification of magma or lava?

Accepted Answer

Igneous

Answer

Sedimentary

Answer

Metamorphic

Answer

Composite

Question 6

Photosynthesis primarily occurs in plant cells within which organelle?

Accepted Answer

Chloroplast

Answer

Mitochondria

Answer

Nucleus

Answer

Vacuole

Question 7

Which of the following best illustrates the concept of a food web in an ecosystem?

Accepted Answer

A diagram showing interconnected feeding relationships among multiple species

Answer

A single linear chain showing one predator and one prey species

Answer

A chart showing the energy produced by each organism in a habitat

Answer

A map showing the geographic range of species in an area