Unit 1: Introduction to Biology Test Review

Research Question: Does the type of gasoline put in a car effect how fast the car can drive. What is the independent variable?

• Type of gasoline
• which car the gas is put into
• how fast the car can drive
• how much gas is put into the car

On a graph, which axis shows the independent variable?

• x-axis
• y-axis
• neither
• it changes

Yaara wants to determine if amount of fertilizer impacts grass growth

What is the Dependent Variable?

• amount of fertilizer

• type of fertilizer

• grass growth

• type of grass

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-1

Randall wants to know if the amount of salt in the water has an effect on his goldfish. What is the independent variable?

• amount of water

• number of goldfish

• amount of salt

• health of the goldfish

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-1

NGSS.MS-LS2-4

In cohesion, water molecules attract...

• other molecules.

• each other.

• to nothing.

Tags

NGSS.MS-ESS2-4

In adhesion, water molecules attract...

• other molecules.

• each other.

• to nothing.

Tags

NGSS.HS-ESS2-5

all matter is made of what 

• energy 
• atoms 
• electrons 
• compounds 

The positive particles of an atom are 

• electrons 
• positrons 
• neutrons 
• protons 

Particles in an atom that are neutral and have no charge are 

• negatrons 
• electrons 
• neutrons 
• protons 

Which of the following is an element?

• Sugar
• Salt
• Water
• Oxygen

Tags

NGSS.HS-PS1-1