End of Year Science Review

Which of these a part of Photosynthesis?

• Carbon Dioxide (CO₂)

• Oxygen (O₂)

• Water (H₂O)

• Adenosine Triphosphate (ATP)

Tags

NGSS.MS-LS1-6

What classifies a substance as a mixture?

• Made up of two or more substances that are chemically bonded. 

• One substance that can not be physically separated 

• Two or more substances that are not chemically bonded.

• A substance that can not be seperated 

An element is made up of only one kind of _____.

• isotope

• plastic

• atom

• metal

The positive particles of an atom are 

• electrons 

• positrons 

• neutrons 

• protons 

Design an experiment to test the effect of sunlight on the rate of photosynthesis in a plant. What would be your control variable?

• The type of plant used

• The amount of water given to the plant

• The amount of sunlight each plant receives

• The temperature of the environment

Tags

DOK Level 3: Strategic Thinking

How would you use the scientific method to determine the relationship between the mass of an object and its acceleration due to gravity?

• Calculate the force on different masses and measure the acceleration

• Drop objects of different masses from the same height and time their descent

• Increase the mass of an object while keeping the force constant

• Keep the mass constant and vary the force applied

Tags

DOK Level 3: Strategic Thinking

the central region of an atom where its neutrons and protons are is its 

• nucleus 

• electron cloud

• core 

• center 

What is the left part of a chemical equation called?
H_{2 +} O → H₂O

• Reactants

• Products 

• Yields 

• Chemical Equation 

This law states that energy cannot be created or destroyed, but it can change form.

• Endothermic reaction

• Law of Conservation of Energy
  LOCOE

• Exothermic reaction

• Law of Conservation of Matter
  LOCOM

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

When a new material is formed, this is a sign that a ___________ change has taken place.

• chemical

• physical

• scientific

• temporary

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5