Science High School

A starting substance that is part of a chemical reaction?

• property

• product

• reactant

• atoms

Tags

NGSS.MS-PS1-5

Balance this equation

• 6P + O₂ -------> 3P₂O₅

• P₄ + O₂ ------> 2P₂O₅

• 2P + 2O₂ ------> P₂O₅

• 4P + 5O₂ ------> 2P₂O₅

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Which change will produce a new substance

• making coffee

• making cookies

• making boiling water for tea

• making snowflakes from paper

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

When experimenting with the growth of a plant, a scientist uses three (of the same type of) plants, two different fertilizers, equal light, and equal water. What type of variable is the fertilizer?

• Dependent
• Independent
• Control

Tags

NGSS.MS-ETS1-1

NGSS.MS-LS2-1

Which particle contributes the negative charge to the atom?

• proton
• electron
• neutron
• nucleus

Identify the cellular organelle that the process of photosynthesis occurs in:

• mitochondria

• chloroplast

• nucleus

• vacuole

Tags

NGSS.MS-LS1-6

Identify the cellular organelle that the process of cellular respiration occurs in:

• mitochondria

• chloroplast

• nucleus

• golgi

Tags

NGSS.MS-LS2-3

What is the simplest level of organization in the body?

• cell

• tissue

• organ

• organ system

Tags

NGSS.MS-LS1-1

At which point is potential energy greatest?

• W
• X
• Y
• Z

Tags

NGSS.MS-PS3-2

What is kinetic energy?

• energy of work
• energy of motion
• energy of gravity
• energy of power

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-4