Unit 1: Nature of Science Practice

Scientists use all their senses EXCEPT this to make observations.

• taste
• smell
• sight
• touch

A small-scale example of a real object, such as an atom, is called...

• hypothesis
• observation
• scientific theory
• model

Which is a safe lab practice?

• always eating in lab
• always wearing earbuds
• always wearing safety goggles
• always pouring chemicals in sink

I want to measure how far a class can run in 30 sec.  The best metric unit would be...

• meter
• yard
• millimeter
• kilometer

Science can be described as

• the different processes that people use to discover how things work in the natural world. 
• When smart people use their education to figure out why things work
• When uneducated people use myths and superstition to explain things
• All the knowledge in the world

Theories differ from scientific laws in that scientific theories ...

• NEVER change
• are always being questioned and examined

The SI unit for mass is the 

• ounce
• pound
• gram 
• kilogram

Using Scientific Methods is the way scientist  

• impress their bosses
• organize their thinking 
• practice writing 
• remember what they're doing!

Brandie blows her nose, but mucus seems to leak through the tissue.  She decides to test which tissue holds up the best while sneezing.  What is the independent variable?

• Sneezing
• Brandie
• How long they listened to music
• Type of tissue

Which statement is an observation?

• That house is empty because there are no lights on. 
• Her hair is brown. 
• Her hair is brown because she dyed it. 
• Her hair has not been cut in two years.