CASPP Prep

What are scientific explanations based on?

• Evidence

• Guesses

• Opinions

• Popularity

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-4

What is a controlled procedure that tests the effect of one variable on another?

• Argument

• Experiment

• Model

• Observation

Tags

NGSS.MS-PS1-2

Along with experiments, scientists can also collect data through __________.

• debates

• explanations

• observations

• theories

Tags

NGSS.MS-LS4-1

A(n) ______ is a representation of an idea or process.

• argument

• experiment

• model

• observation

Tags

NGSS.MS-ESS1-1

NGSS.MS-ETS1-4

Scientists often use graphs to show patterns in ______.

• data

• engineering

• history

• technology

Tags

NGSS.MS-PS3-1

_________ describe what will happen in nature, but not how or why.

• Hypotheses

• Laws

• Publications

• Theories

Scientific _________ tell us how or why something in nature happens.

• calculations

• explanations

• laws

• questions

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

NGSS.MS-PS1-2

Use the graphs and the partial food web to predict the changes in the sea urchin population as the kelp population INCREASES. What will happen to the sea urchin population?

• Sea urchin population increases

• Sea urchin population decreases

• Sea urchin population remains steady

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-3

NGSS.MS-LS2-4

A student conducts 5 trials to investigate factors affecting the formation of impact craters. The student drops a marble into a box with fine powder. Analyze the results in the graph pictured. Because the mass is 40g in each trial, mass is a...

• constant

• control

• dependent variable

• independent variable

Tags

NGSS.MS-PS2-2

NGSS.MS-PS3-1

A student conducts 5 trials to investigate factors affecting the formation of impact craters. The student drops a marble into a box with fine powder at different speeds to measure the depth. Analyze the results in the graph pictured. Speed is the

• constant

• control

• dependent variable

• independent variable

Tags

NGSS.MS-PS2-2

NGSS.MS-PS3-1