ESA Final

Front

What is science?

Back

All of these answers.

Answer explanation

Science encompasses various aspects: it is a method to uncover truths about nature, a curriculum for education, and a means to develop critical thinking skills. Therefore, 'All of these answers' is the correct choice.

Front

Why do scientists practice the scientific method?

Back

To learn the truth about something in nature.

Answer explanation

Scientists practice the scientific method to learn the truth about something in nature. This systematic approach helps them gather evidence, test hypotheses, and draw conclusions based on observations.

Front

A hypothesis is an educated what?

Back

guess

Answer explanation

A hypothesis is an educated guess, meaning it is a reasoned assumption based on prior knowledge or evidence. The term 'guess' is appropriate here, as it reflects the nature of forming a hypothesis.

Front

How is a hypothesis different from a theory?

Back

A hypothesis is a guess that can be tested, while a theory is a well-tested idea.

Answer explanation

A hypothesis is an initial, testable guess about a phenomenon, while a theory is a comprehensive explanation supported by extensive evidence and testing. Thus, the correct choice highlights this distinction.

Front

What is peer review?

Back

When other scientists look at your conclusion and experimental setup for mistakes.

Answer explanation

Peer review involves other scientists evaluating your conclusion and experimental setup for errors, ensuring the research is valid and reliable. This process helps maintain scientific integrity.

Front

This word means everything on Earth and in space. Another word for it is Cosmos.

Back

Universe

Answer explanation

The term 'Universe' encompasses everything on Earth and in space, making it synonymous with 'Cosmos'. Other options like 'Planet', 'Galaxy', and 'Solar System' refer to specific components, not the entirety.

Front

Which of the following does science show to be true?

• The universe is unbelievably large and very old.
• The universe is small and the Earth is a huge part of it.
• The universe is only a few thousand years old.
• The universe is shrinking.

Back

The universe is unbelievably large and very old.

Answer explanation

Science shows that the universe is vast, with estimates of its age around 13.8 billion years. This supports the statement that the universe is unbelievably large and very old, making it the correct choice.

Front

The idea that the Universe exploded into being and is still expanding today.

Back

The Big Bang Theory

Answer explanation

The Big Bang Theory explains that the Universe originated from a singular explosion and continues to expand. This concept is distinct from the Theory of Relativity, Evolution, and Averages, making it the correct choice.

Front

How old is the Universe?

Back

13.7 billion years.

Answer explanation

The Universe is approximately 13.7 billion years old, based on measurements of cosmic microwave background radiation and the expansion of the Universe. The other options are significantly lower and incorrect.

Front

What did Edwin Hubble discover when observing distant galaxies?

Back

The Universe is expanding.

Answer explanation

Edwin Hubble discovered that distant galaxies are moving away from us, indicating that the Universe is expanding. This observation led to the conclusion that the Universe is not static, but rather growing over time.