Unit Test 1 - Nature of Science / Bio Basics

Two options below can be used to measure length.  PLEASE SELECT BOTH

• Ruler

• Graduated cylinder

• Meter stick

• Pipette

How much water is in the graduated cylinder? 

• 40 ml

• 39 ml

• 38 ml

• 37 ml

Which of the following would you use to transfer and measure a small (1ml) amount of liquid?

• Beaker

• Erlenmeyer Flask

• Pipette

• Test tube

 What unit would be used when measuring with this object?

• milliliters

• grams

• meters

• 1. pounds

This glassware is a cylinder tube that is held in a rack and is used for holding small amounts of material for laboratory testing or experiments.

• Beaker

• Test tube

• Pipette

• Graduated cylinder

Scenario: 

You are conducting an experiment on plants. You want to see if the amount of fertilizer you give them affects how tall they get. Use this information to answer the following questions. 

What would the independent variable be in this experiment?

• 1. The amount of soil they get

• The amount of water they get

• The amount of fertilizer they get

• 1. The type of fertilizer they get

• 1. How tall the plants get

Scenario: 

You are conducting an experiment on plants. You want to see if the amount of fertilizer you give them affects how tall they get. Use this information to answer the following questions. 

What would the dependent variable be in this experiment?

• 1. The amount of soil they get

• 1. The amount of water they get

• The amount of fertilizer they get

• 1. The type of fertilizer they get

• 1. How tall the plants get

Scenario: 

You are conducting an experiment on plants. You want to see if the amount of fertilizer you give them affects how tall they get. Use this information to answer the following questions. 

What would be your controlled variables in this experiment? SELECT ALL THAT APPLY. 

• The amount of soil they get

• 1. The amount of water they get

• 1. The amount of fertilizer they get

• 1. The type of fertilizer they get

• 1. How tall the plants get

Scenario:

You are conducting an experiment to see if yoga, in addition to their regular workouts, makes football players faster. You will have three groups: one group getting no yoga, one group getting 30 minutes of yoga, and one group getting an hour of yoga. 

2. What would the independent variable be in this experiment? 

• 1. The amount of yoga

• The speed of the football player

• The amount of tackles they get

• 1. Which group they are in

Scenario: You are conducting an experiment to see if yoga, in addition to their regular workouts, makes football players faster. You will have three groups: one group getting no yoga, one group getting 30 minutes of yoga, and one group getting an hour of yoga. 

What would be the dependent variable in this experiment?

• The amount of yoga

• 1. The speed of the football player

• 1. The amount of tackles they get

• 1. Which group they are in