Midterm Review Quiz

The way people change the world around them to solve practical problems is called

• Science

• curiosity

• Technology

• None of them

An inference is based on:

• both scientific observations and known facts

• known facts

• scientific observations

• a rumor you started in the bathroom

Tags

NGSS.MS-LS2-4

Which of the following is NOT a testable question?

• How do rockets work?

• Does fertilizer help plants grow bigger?

• Does heart rate increase with exercise?

• Does the freezing point of water change at different elevations?

What is a hypothesis?

• An educated prediction or answer to a testable question

• A random guess

• An observation based on feelings or emotions

• 

Tags

NGSS.HS-PS1-2

After the data is analyzed the hypothesis is stated as correct or incorrect in the __________

• conclusion

• experiment

• hypothesis

• table of contents

Tags

NGSS.MS-LS2-4

NGSS.MS-PS1-2

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

• dependent variable
• independent variable
• data
• control group

Dependent variable means

• the scientist controls what to test
• educated guess
• ask a question
• what is being measured

Tags

NGSS.MS-LS2-1

If you increase the amount of spinach you eat, then you will increase the iron in your blood. 
What's the dependent variable?

• increase the amount of iron in your blood
• spinach you eat

If I listen to Mr. Castro's instructions, then I will have less accidents in the lab. What is the independent variable?

• Yes
• Maybe
• Listening or not listening to instructions
• Likelihood of having an accident in lab 

A graduated cylinder contains exactly 60 mL of water. A rock was dropped into the cylinder of water. The water level rose to 86 mL. What is the volume of the rock?

• 86 mL

• 60 mL

• 146 mL

• 26 mL