Unit 1 Assessment Science Skills

Which of the following are steps in the scientific method? (Select all that apply)

• Drawing pictures of results

• Forming a hypothesis

• Collecting and analyzing data

• Drawing conclusions

• Making observations

What characteristics identify a well-designed experiment? (Select all that apply)

• Is reproducible by others

• Collects measurable data

• Has a control group

• Tests only one independent variable

• Has controlled variables

Tags

NGSS.HS-PS1-3

When using a triple beam balance, which of these practices ensure accurate measurements? (Select all that apply)

• Center the object on the pan

• Close the balance doors during measurement

• Record measurements immediately

• Zero the balance before use

• Wear safety goggles

Which of the following are safety precautions to take in a laboratory? (Select all that apply)

• Wear closed-toe shoes

• Tie back long hair

• Eat your lunch quickly before starting

• Wear protective goggles

• Know the location of safety equipment

Which of the following numbers contain exactly three significant figures? (Select all that apply)

• 0.120

• 120.0

• 1200

• 0.012

• 1.20

Fill in the blank: The first step in the scientific method is to _______.

Fill in the blank: The _______ variable is the one that is changed or controlled in a scientific experiment.

Tags

NGSS.MS-PS2-2

Data collected during an experiment is often displayed in a _______.

• table

• graph

• chart

• diagram

Tags

NGSS.MS-PS3-1

The final step in the scientific method is to _______ the results and draw conclusions.

• analyze

• ignore

• publish

• discard

Tags

NGSS.HS-PS1-3

NGSS.HS-PS2-5

In the scientific method, a(n) _ is an educated guess or testable explanation for an observation.

• hypothesis

• theory

• law

• experiment

Tags

NGSS.HS-PS1-2