CH 1 Physical Science: Science Skills

The variable that you measure or observe during an experiment is the:

Which one of the following is the smallest?

Which one of the following is a scientific model?

A gauge of how exact a measurement is:

„The type of graph that shows changes that occur in two related variables.

Jenny is testing how brand of fertilizer affects plant growth. The independent variable is:

Information that you obtain through your senses:

The study of living things is known as:

How do you write 0.000056 in scientific notation?

The SI unit for time is:

Convert 2.5 grams to milligrams:

A proposed answer to a question is a(n):

How would you describe the darts on the following dart board?

Which one of the following is NOT one of the three main branches of science?

The study of the composition, structure, properties, and reactions of matter is:

How do you write 45,000 in scientific notation?

The SI unit for mass is:

The symbol for kilometer is:

Jenny is testing how brand of fertilizer affects plant growth. What controls should she have?

Over time, theories can become laws.

In a controlled experiment,

„T/F: A qualitative measurement of an apple would be that it is round.

A well-tested explanation for a set of observations or experimental results is called a(n):

„T/F: It is possible to be precise without being accurate.

The variable that you change in an experiment is called the:

„The type of graph used to show how part of something is related to the whole:

When making a line graph, the independent variable is generally plotted on the:

What graph is best to show number of students that bought lunch on different days of the week?

Which recorded time is the most precise?

The goal of the scientific method is to solve a problem or better understand an observed event.

„The type of graph that is useful for comparing a set of measurements.

The SI unit for temperature is:

What graph would best show the components of air? (percent of each gas)

Convert 450 g to kg.

Which one of the following is the largest?

How many grams are in a kilogram?

Jenny is testing how brand of fertilizer affects plant growth. The dependent variable is:

T/F: The number 6.4 x 10^-8 is larger than 5.2 x 10⁵

The SI unit for length is:

The symbol for milligram is:

What graph would best show the relationship between the mass and volume of several objects?

The closeness of a measurement to the actual value being measured is:

Expand the number: 3.0 x 10⁸

The study of matter, energy, and the interactions between the two through forces and motion is:

How many centimeters are in a meter?

A physical or mental representation of an object or event is a(n):

„T/F: Quantitative measurements include both a number and a unit.

Which one of the following is a qualitative observation?

„T/F: The two branches of physical science are chemistry and physics.

A statement that describes an observed pattern in nature without attempting to explain it is a: