Physical Science Chapter 1

Mason is analyzing the sales data for his lemonade stand. What type of graph is represented by figure 1-1?

• bar graph

• line graph

• circle graph

• non of the above

Nora is curious about the world around her and wants to understand the system of knowledge and the methods used to find that knowledge. What is she interested in?

• science

• technology

• measurement

• curiosity

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 organisms.
• Earth science involves the study of the composition of matter.
• Earth science does not overlap with life science.

During a science class, Priya was asked: Which of the following is NOT one of the main ideas of physical science?

• The universe is very old and very large.

• Forces cause changes in motion.

• Energy can be transferred from one form to another, but it can never be destroyed.

• One of the main branches of natural science is biology.

Olivia is conducting an experiment in her science class. In which step of the scientific method does she gather information through her senses?

• drawing conclusions

• making observations

• analyzing data

• revising a hypothesis

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

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

David observed that every time he dropped a ball, it fell to the ground. What is a statement that summarizes this pattern found in nature?

• a scientific law

• a fact

• a scientific theory

• a hypothesis

Why are scientific models important in understanding the solar system?

• They prove scientific theories.

• They help visualize things that are very complex, very large, or very small.

• They make it harder to understand things.

• They never change.

During a science class, what is the most important safety rule that Kai should follow?

• Never work with chemicals.

• Always use unbreakable glassware.

• Always follow your teacher's instructions and textbook directions exactly.

• Never do experiments that involve flames or hot objects.