9th Grade Biology Quiz 1

What is Science?

• A subject in school
• One of the ways we make sense of and explain God's creation

• An organized way of gathering and analyzing evidence about the natural world

• A type of music

Is a Hypothesis...

• A guess based on uninformed opinion

• A fact

• A guess based on observed information or previous knowledge

• A theory

The milk in the glass smells foul and is curdled. From this I can deduce that the milk is spoiled. This is an example of a/an...

• hypothesis

• inference

• law

• theory

We observe our environment using what?

• Just our eyes

• A magnifying glass

• A microscope

• Our five senses

Tags

NGSS.MS-LS1-8

What is Biology?

In a controlled experiment, what part is NOT being manipulated or altered by the independent variable?

• The dependent variable

• The control group

• The experamental group

Is a theory...

• A collection of

  hypotheses that is

  supported by extensive evidence

• A fact

• A law

• An educated guess

What is bias?

How can we avoid bias?

• By ignoring differences

• By using objective

  thought in peer review

• By favoring one group
• By relying on personal

  opinions

As a Biologist, you observed that grass in area A was taller than the grass in area B.

You inferred that something must be helping the grass grow taller in area A and hypothesized it's because area B

has more nitrogen in the soil. In your experiment, you made two patches of the same grass at the same length,

and fertilized one patch with a nitrogen-rich fertilizer. The fertilizer in this case is the...

• independent variable

• control group

• dependent variable

• experimental group

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-1