Final Review

A possible explanation to a problem that has not yet been tested.

• data

• theory

• hypothesis

• fact

Tags

NGSS.MS-LS1-5

This variable in an experiment is the one being deliberately changed by the scientist.

• dependent variable

• independent variable

• data

• control group

Tags

NGSS.MS-PS2-2

Should experiments be repeated over and over to see if the results are the same each time?

• yes

• no

Tags

NGSS.MS-PS1-2

There are two types of data. Which type of data involves numbers that are obtained by counting or measuring?

• quantitative

• qualitative

In a controlled experiment, how many variables can be worked with at a time?

• one

• none

• two or more

• how ever many makes sense.

Tags

NGSS.MS-PS2-2

Mr. S. sets up an experiment to see how the mass of a ball affects the distance it rolls off a ramp. Identify the independent variable.

• distance traveled by the ball

• height of the ramp

• mass of the ball

• weight of the ball

Tags

NGSS.MS-PS2-2

An experiment was carried out to determine whether drinking caffeinated soda increases pulse rate. The pulse rates of two groups of people at rest were measured. Group A was then given caffeinated soda and group B was given caffeine-free soda. One hour after drinking the soda, the pulse rates were measured. The participants in the experiment were all the same age, and they were all given the same amount of soda. The dependent variable in this experiment is the

• type of soda given to each group
• amount of soda given to each group
•  pulse rate of each group
• age of participants in each group

Herbivores are which of the following

• producers

• primary consumers

• secondary consumers

• decomposers

Which of the following is an example of a biotic factor?

• sunlight

• soil

• deer

• river

Tags

NGSS.MS-LS2-2

A group of gray wolves living in Minnesota is an example of

• population

• community

• biome

• ecosystem