Generation Genius: What Is Science

What is Science?

• Learning about our world by observing and experimenting

• Hunting Ghosts

• A magician doing tricks

• Explaining things we don't understand by making stories

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____________ describe what will happen in nature, but not how or why.

• Hypotheses

• Laws

• Publications

• Theories

What is a controlled procedure that tests the effect of one variable on another?

• argument

• experiment

• model

• observation

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Along with experiments, scientists can also collect data through _________.

• debates

• explanations

• observations

• theories

Imagine Lauren is studying how a single cell in Mike's body can divide to produce two identical cells, each carrying the same genetic information as the original cell. What is this process called?

• Meiosis

• Mitosis

• Fission

• Fusion

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NGSS.MS-LS3-2

What is the first step in the scientific method?

• Conducting an experiment

• Making an observation

• Forming a hypothesis

• Analysing data

Answer explanation

The first step in the scientific method is making an observation. This involves noticing and describing phenomena, which leads to questions and further investigation.

What is the basic unit of heredity that is passed from parents to offspring?

• Cell

• Gene

• Protein

• Chromosome

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What is the purpose of a Punnett Square in genetics?

• To determine the cell structure of an organism

• To predict the outcome of a particular cross or breeding experiment

• To identify the genetic makeup of an organism

• To classify organisms based on their genetic traits

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Mike is working on a science project about how traits are passed from parents to offspring. He learns that a specific segment of DNA is responsible for determining each trait. Which of the following best describes this segment of DNA?

• A segment of DNA that codes for a protein

• A complete set of DNA in an organism

• A type of protein that regulates DNA replication

• A cellular structure that contains DNA

Tags

NGSS.MS-LS3-2

A(n) _______ is a representation of an idea or process.

• model

• argument

• experiment

• observation

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