Science Skills

A student wonders if uniforms have an effect on grade averages. What is the independent variable in this situation?

• student grades

• uniforms

• class size

• age level

A chef questions whether the pictures on the new restaurant menu affect how often people order the pasta. What is the dependent variable in this situation?

• the pictures on the menu

• the chef's recipe for pasta

• the number of times people order the pasta

• the temperature of the restaurant

When writing a conclusion, what should scientists do?

• make observations and ask questions

• write predictions and do research

• review the experimental procedure

• analyze data and compare it to the hypothesis

Tags

NGSS.MS-PS1-2

NGSS.MS-PS3-5

What makes a good hypothesis?

• prior research

• "If...then" form

• it is testable

• all of the above

Which tool(s) can be used to find volume?

• ruler

• beaker

• graduated cylinder

• triple beam balance

What is the length?

• 1.8 cm

• 1.9 mm

• 1.95 cm

• 1.905 cm

Which tool(s) are used to find mass?

• triple beam balance

• graduated cylinder

• digital scale

• microscope

What is the scientific unit for volume?

• milliliters

• centimeters

• centigrams

• hectometers

To strengthen a conclusion to a scientific investigation, a scientist could... (you may choose more than 1)

• repeat the experiment

• complete more trials

• have a different scientist follow their procedure (replication)

• change the materials in the experiment

Tags

NGSS.MS-LS1-5

On the x-axis (horizontal) of a graph, we would expect to see...

• the dependent variable

• the independent variable

• the title of the graph

• controlled variables

Tags

NGSS.MS-PS3-1