Science Module 1 Study Guide

Which of the following statements describes the world's ocean?

• The place where all the Earth's oxygen is made.

• The sum of all the bodies of salt water on Earth, including seas and oceans.

• The only body of water on Earth.

• The largest body of water in our solar system.

Answer explanation

The correct statement describing the world's ocean is the sum of all the bodies of salt water on Earth, including seas and oceans.

Which takes up a larger area of water on Earth?

• Oceans & Seas

• Freshwater sources - for example rivers, lakes, and ponds.

Answer explanation

Oceans & Seas take up a larger area of water on Earth compared to freshwater sources like rivers, lakes, and ponds.

Which of the following best describes an oceanographer?

• A scientist who studies the history of life on Earth.

• Equipment used to track the motion of ocean waves.

• A vehicle used to study the ocean floor.

• A scientist who studies some part of the ocean or effects of the ocean.

Answer explanation

A scientist who studies some part of the ocean or effects of the ocean.

In what part of the ocean is there no light and intense pressure?

continental shelf

• mid-ocean ridges

• deep ocean

• continental rise

Answer explanation

In the deep ocean, there is no light and intense pressure due to the lack of sunlight penetration and the weight of the water above, making it the correct choice.

Which of the following BEST describes a scientist?

• anyone who works in a lab

• anyone who lives near an ocean

• anyone who uses a calculator to solve problems

• anyone who asks questions about the world, experiments to get answers, and then draws conclusions based on their results

Answer explanation

The BEST description of a scientist is someone who asks questions, conducts experiments, and draws conclusions based on results.

Knowledge of the world gained through observations and experiments is a good definition of _______

• a conclusion.

• science.

• a scientist.

• a hypothesis.

Answer explanation

Knowledge of the world gained through observations and experiments aligns with the definition of science, making it the correct choice.

Tags

NGSS.MS-PS1-2

Which of the following describes why it’s important for scientists to use scientific methods?

• Using a standard method makes it easier for scientists to share their results.

• Using a standard method is good for the environment.

• Standard methods can solve really difficult math equations.

• Using a standard method helps everyone use a different process.

Answer explanation

Using a standard method makes it easier for scientists to share their results.

Tags

NGSS.MS-PS2-2

Which of the following is an example of a good hypothesis?

• I must test all objects in the same way to get accurate results.

• The magnets attracted the paper clip and the nail but not the gold ring or the copper.

• Magnets attract all metal objects.

• Do magnets attract all metal objects?

Answer explanation

The correct choice is 'Magnets attract all metal objects' because it presents a clear and testable hypothesis.

. Which of the following describes an observation that might begin a scientific experiment?

• I must test all objects in the same way to get accurate results.

• Do magnets attract all metal objects?

• The magnets attracted the paper clip and the nail but not the gold ring or the copper

• Magnets attract all metal objects.

Answer explanation

The correct choice is 'Do magnets attract all metal objects?' as it presents an observation that could initiate a scientific experiment by questioning the behavior of magnets towards different metal objects.

Tags

NGSS.MS-PS2-5

Which of the following BEST defines the process of observing?

• We make a prediction about what will happen when we complete an experiment.

• We communicate results with other scientists so that we can learn from each other.

• We watch, listen, touch, taste, and feel to learn about what is happening around us.

• We experiment to reach conclusions about something.

Answer explanation

We watch, listen, touch, taste, and feel to learn about what is happening around us.

Tags

NGSS.2-PS1-1