8th Grade Science Midterm Review

A hypothesis is often tested with a controlled _______

• experiment 
• observation 
• theory
• law 

Tags

NGSS.MS-PS2-5

A pattern or event in nature that is always true is what 

• scientific law 
• scientific theory
• hypothesis 
• controlled experiment 

Tags

NGSS.MS-PS2-4

A possible explanation to a problem, that can be tested is what 

• observation
• prediction 
• hypothesis 
• experiment 

The time it takes to run a mile depends on the persons running speed. Name a constant variable. 

• The persons running speed 
• Same track, same stop watch used, same people performing the experiment.
• Same running speed and same track 
• The time it takes to run a mile 

The height of the bean plant depends on how much water they receive. What is the dependent variable? 

• Same amount of sunlight
• Same soil and water
• How much water they received
• The height of the bean plant 

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-1

Why is it important to perform multiple trials during an experiment? 

• It makes sure your results are more accurate 
• It fixes errors from the experiment 
• It allows you to keep track of your materials 
• It is not important to have multiple trials 

Tags

NGSS.MS-PS2-5

A__________ is a statement that can be tested, either by experiment or observation. It is sometimes written in an "if_then" format. 

• Hypothesis
• Independent Variable 
• Testable Question 
• Theory 

Tags

NGSS.MS-PS2-2

In science, a dominant explanation supported by a very large amount of evidence is called a...

• Hypothesis 
• Theory
• Research question 
• Testable question 

Tags

NGSS.HS-ESS1-2

What is happening to the temperature in New York City?

• It is remaining about the same.
• It is mostly decreasing.
• It is mostly increasing.
• There is a pattern of increasing and decreasing.

Tags

NGSS.MS-ESS2-6

NGSS.MS-ESS2-5

The number of apples in this basket is ______________________ data?

• quantitative
• qualitative
• independent
• dependent