2024 Science Midterm

Front

What is amplitude in relation to waves?

Back

Amplitude refers to the maximum extent of a wave's oscillation, which affects the intensity of the wave, such as the loudness of sound or brightness of light.

Front

How does the mass of a star affect its life cycle?

Back

The mass of a star determines its life cycle, influencing how long it will live and how it will evolve through different stages.

Front

Does the Earth experience the same amount of daylight hours throughout the year?

Back

No, the Earth does not experience the same amount of daylight hours throughout the year due to its axial tilt and elliptical orbit.

Front

What does the conservation of mass state?

Back

The conservation of mass states that the total mass of substances remains constant before and after a chemical reaction.

Front

What characterizes irregular galaxies?

Back

Irregular galaxies do not have a defined shape or structure, unlike spiral or elliptical galaxies.

Front

What is the relationship between wave amplitude and sound intensity?

Back

Higher amplitude results in greater sound intensity, making the sound louder.

Front

What is the H-R diagram used for?

Back

The H-R diagram is used to classify stars based on their brightness and temperature, helping to understand their life cycles.

Front

What is the significance of a star's color?

Back

A star's color indicates its temperature, with blue stars being hotter and red stars being cooler.

Front

What happens to the mass of reactants in a chemical reaction?

Back

The mass of reactants is equal to the mass of products, demonstrating the conservation of mass.

Front

What are the main types of galaxies?

Back

The main types of galaxies are spiral, elliptical, and irregular galaxies.