Nature of Science
Measurement
Variables
Microscopes
Characteristics of Life
100

Using one or more of  your senses to gather information and take note of what occurs.

What is an observation?

100

All countries in the world use the metric system except…

  1. Liberia

  2. Myanmar  

What is the USA?

100

The variable that is changed in an experiment. 

What is the independent variable?

100

A science tool used to see very small objects 

What is a microscope?

100

The smallest unit of life. 

What is a cell?

200

Logical explanation of an observation that is drawn from prior knowledge or experience.

What is an inference?
200

The distance between 2 points.

What is length?

200

The variable that is measured in an experiment. 

The dependent variable. 

200

Enlarging (making bigger) the image of something.

What is magnification?

200

Organisms made of one cell.

What is unicellular?

300

Have an amount, or number. They can often be measured with a scientific instrument.

What is a quantitative observation?

300

The metric system is based on this number. 

What is 10?

300

Factors kept the same across all groups in an experiment.

What are the constants?

300

The part of the microscope you look into. 

What is the ocular lens?

300

Organisms made of more than one cell. 

What is multicellular?

400

Description without numbers (taste, smell, touch, hear, see)

What is a qualitative observation?

400

The amount of space an object takes up. 

What is volume?

400

A scientist performed an experiment to determine the health effects of different vegetables on one-year old hamsters. The type of vegetables is this type of variable.

What is an independent variable?

400

The part of the microscope where the slides is placed. 

What is the stage?

400
Maintaining stable internal conditions. 

What is homeostasis?

500

The investigation and explanation of natural events and the new information that results from those investigations.

What is Science?

500

The method of measuring the volume of an irregular object. 

What is water displacement?

500

A scientist performed an experiment to determine the health effects of different vegetables on one-year old hamsters. The effect on the hamsters is this type of variable.

What is a dependent variable?

500

The part of the microscope that holds the objective lenses in place. 

The nosepiece. 

500

A change in the environment - can be internal, such as hunger/thirst, or external, such as temperature.

What is a stimulus?

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