Chapter 1 The Scientific Endeavour

A possible explanation for a set of observations or answer to a scientific question is called a(n)

• prediction
• hypothesis
• theory
• law

Using one or more of your senses to gather information is called

• observing
• inferrring
• predicting
• classifying

Explaining or interpreting the things you observe based on reasoning from what you already know is called

• observing 
• inferring
• predicting
• classifying

A scientific hypothesis must be 

• correct
• able to be manipulated
• able to be controlled 
• able to be tested

A well-tested explanation for a wide range of observations or experimental results is called a scientific 

• inquiry
• hypothesis
• theory
• law

In a scientific experiment, the one variable that is purposely changed to test a hypothesis is called the ____________ variable.

• independent
• dependent
• controlled
• responding

You should never ______ chemicals in the lab. 

• taste
• touch
• smell
• all of the above

Tags

CCSS.RI.6.5

CCSS.RI.6.3

CCSS.RI.7.3

CCSS.RI.5.3

CCSS.RI.7.5

This piece of lab equipment is called a _______________.

• beaker
• spring scale
• graduated cylinder
• thermometer

When heating a test tube, it should be

• pointed away from yourself and other students
• held with two fingers
• filled completely with the liquid being heated
• heated over a tripod and gauze mat.

The curve surface of the water inside a measuring cylinder is known as

•  curvature
• meniscus
• open water
• surface tension