OGET Science & Scientific Inquiry 3

Question 1

Which of the following is an example of potential energy?

Accepted Answer

A stretched rubber band held in place

Answer

A ball rolling across a flat surface

Answer

Sound waves traveling through air

Answer

An electric current flowing through a wire

Question 2

In a wave, the wavelength is defined as:

Accepted Answer

The distance between two consecutive crests or troughs

Answer

The number of wave cycles that pass a point per second

Answer

The maximum displacement of a wave from its rest position

Answer

The speed at which the wave travels through a medium

Question 3

Which teaching strategy best supports students in developing scientific inquiry skills?

Accepted Answer

Providing students with lab activities where they design their own investigations

Answer

Having students memorize the steps of the scientific method for a test

Answer

Lecturing students on how professional scientists conduct research

Answer

Assigning textbook readings that describe famous scientific experiments

Question 4

The process by which cells use oxygen to break down glucose and release energy is called:

Accepted Answer

Cellular respiration

Answer

Photosynthesis

Answer

Fermentation

Answer

Osmosis

Question 5

According to the law of conservation of mass, in a chemical reaction:

Accepted Answer

The total mass of reactants equals the total mass of products

Answer

Mass is created from the energy released during the reaction

Answer

Some mass is always lost as heat during exothermic reactions

Answer

Mass increases when two elements combine to form a compound

Question 6

Which of the following is the best example of a testable scientific question suitable for elementary students?

Accepted Answer

Which type of soil allows the most water to drain through?

Answer

Why is nature beautiful?

Answer

Do plants have feelings?

Answer

What is the meaning of life on Earth?

Question 7

Tectonic plate movement is the primary cause of which of the following geological events?

Accepted Answer

Earthquakes and volcanic eruptions

Answer

Tornadoes and thunderstorms

Answer

Tidal waves caused by lunar gravity

Answer

Changes in ocean salinity over time