I Learn Science Basics

After collecting multiple trials of data during an investigation, what should be the next steps?

• use the data to build a graph and analyze the results

• share the results with your peers

• calculate an average , then graph the averages and analyze

• analyze the data table for patterns and share with your team

Which of the following is an example of a testable question?

• How do plants grow?

• Does the mass of a wagon affect the force needed to push it up a hill?

• Are black holes hot or cold?

• How does the mood of an animal change?

Tags

NGSS.MS-PS2-2

Measures volume in milliliters

• graduated cylinder

• prism

• balance

• spring scale

Refracts white light into the spectrum of color

• graduated cylinder

• prism

• balance

• spring scale

Measures mass in grams

• graduated cylinder

• balance

• spring scale

• prism

Allows scientists to see small objects with more detail

• hand lens

• magnet

• graduated cylinder

• spring scale

Measures the force of gravity on an object in Newtons

• hand lens

• magnet

• graduated cylinder

• spring scale

Tests for magnetism

• hand lens

• magnet

• graduated cylinder

• spring scale

Tags

NGSS.MS-PS2-3

Identify the variables: Does the type of soil affect how tall tomato plants grow?

• The type of soil is the independent variable, and the height of the tomato plant is the dependent variable.

• The type of tomato planet is the dependent variable, and the type of soil is the independent variable.

• The height of the tomato plant is the independent variable, and the type of soil is the dependent variable.

• The amount of water is the independent variable, and the type of soil is the dependent variable.

Tags

NGSS.MS-LS1-5

What is the difference between a bar graph and a line graph?

• Bar graphs show changes over time. Line graphs compare groups.

• Bar graphs are only used during comparative investigations. Line graphs are only used during experimental investigations.

• Bar graphs are used to show several variables. Line graphs are used to show only one variable.

• Bar graphs compare groups. Line graphs show changes over time.