Experimental Design
Properties of Life
Microscope
Challenge
100

These are aspects of a well written hypothesis. (Name at least two)

What are:

1. Testable

2. Falsifiable

3. Present Tense

4. Offers an Explanation

100
This property of life lets us know that every living thing does its best to keep internal harmony

What is homeostasis?

100

This part of the microscope is where your eyes look

What are the ocular lenses?

100

Belinda is running an experiment to test how long she can hold her breath. She tries to hold her breath underwater after running for 30 seconds, 60 seconds, and after doing nothing at all. She uses a stopwatch to to time how many seconds she holds her breath each time. Name the dependent variable in her experiment.

How many seconds can she hold her breath?

200

This part of a lab report is where you should list your observations.

What are the Materials & Methods?

200

This property of life has to do with how organisms process energy

What is 'complex chemistry'?
200

This is the part of the microscope that lets you move the stage up and down

What is the course focus?

200

Taylor Swift deliberately changes which songs she plays at her Eras Tour shows to get different reactions from her fans. If this is an experiment that Taylor Swift is running to gauge which songs have the biggest impact on her fans, name what the independent variable would be. 

What is Taylor Swift changing the songs on the setlist?

300

This is an experimental group that does not receive the experimental treatment. It gives a basis of comparison.

What is a control group?

300

This property of life involves the smallest unit of life.

What are cells?

300

This part of the microscope lets the microscope magnify what is on the slides.

What are the objective lenses?

300

Cindy wants to make a bar graph that includes everything needed to get full credit in biology class. So far she has a title and she labeled the horizontal axis. These are the two features that she needs to add. 

1. Vertical axis label

2. Figure description

400

This part of a lab report lets you discuss whether your hypothesis was correct or not.

What is the conclusion?

400

These are the two types of reproduction.

What are sexual and asexual?

400

This part of the microscope is where you should hold when you are carrying a microscope.

What is the arm?
400

This part of the scientific method involves testing a hypothesis and collecting data

What is experimentation?

500

This is the definition of controlled variables.

What are aspects of an experiment that you keep the same to ensure that the results are valid?

500
This property of life shows that living things change over time.

What is 'Growth and Development'?

500

This part of the microscope is where the slide is held in place.

What is the stage?

500

Identify two controlled variables in this experiment:

Marsha wants to test whether she bowls better when she wears a bun or a ponytail. For 10 games, she alternates wearing a ponytail in 5 games and a bun in 5 games. While playing each game against her younger brother, she uses her 10 pound bowling ball. 

1. Same opponent (little brother)

2. Same bowling ball 

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