Physical Science Midterm

What type of graph is represented by figure 1-1?

• bar graph
• line graph
• circle graph
• non of the above

Tags

NGSS.MS-PS3-1

What is a system of knowledge and the methods used to find that knowledge?

• 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.

Tags

NGSS.MS-PS1-3

In which step of the scientific method is information obtained through the senses?

• drawing conclusions
• making observations
• analyzing data
• revising a hypothesis

Tags

NGSS.MS-LS1-8

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.

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

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

Tags

NGSS.MS-LS4-1

What is the most important safety rule?

• 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.

How is 0.00069 written in scientific notation?

• 69 x 10^-5
• 6.9 x 10⁴
• 0.69 x 10^-3
• 6.9 x 10^-4

What are 6 centimeters equal to?

• 600 meters
• 6/10 of a millimeter
• 60 millimeters
• 600 millimeters

Timers at a swim meet used four different clocks to time an event. Which recorded time is the most precise?

• 55 s
• 55.2 s
• 55.25 s
• 55.254 s