PS Science Skills

How are science and technology related?

• Technology is a branch of natural science.
• Science is a branch of technology.
• Advances in science may lead to advances in technology and vice versa.
• Science and technology are not related.

How does Earth science overlap with life science?

• Earth science involves the study of Earth's rocks.
• Earth science involves the study of systems that may include living things.
• Earth science involves the study of the composition of matter.
• Earth science does not overlap with life science.

Which of the following is NOT one of the main ideas of physical science?

• The universe is very large and very old.
• Forces cause changes in motion.
• Energy can be transformed from one form to another, but it can never be destroyed.
• One of the main branches of natural science is biology.

What are the building blocks of all matter?

• forces
• magnetic fields
• atoms
• kinetic and potential energy

What happens when the data in an investigation do not support the original hypothesis?

• The scientists gives up and starts an investigation on a new topic.
• The data must be incorrect and thrown out.
• The hypothesis will be revised.
• The data are altered so that they support the original hypothesis.

Which of the following statements is true about scientific theories?

• Scientific theories become scientific laws.
• Scientific theories are never proven.
• Scientific theories become hypotheses.
• Scientific theories summarize patterns found in nature.

What is a statement that summarizes a pattern found in nature?

• a scientific law
• a fact
• a scientific theory
• a hypothesis

Why are scientific models important?

• They prove scientific theories.
• They help visualize things things that are very complex, very large, or very small.
• They make it harder to understand things.
• They never change.

Which of the following is an example of a safe laboratory procedure?

• tying back long hair and loose clothing.
• eating or drinking from laboratory glassware.
• touching hot objects with your bare hands.
• testing an odor by directly inhaling the vapor.

How is 0.00025 written in scientific notation?

• 25 X 10 (-5)
• 2.5 X 10 (4)
• 0.25 X 10 (-3)
• 2.5 X 10 (-4)