Mixed Review

Which of Newton's Three Laws?
A rocket is launched into space.

• Newton's First Law

• Newton's Second Law

• Newton's Third Law

If my atomic number is 19. Then what element would I be and how many protons would I have.

• Fluorine and 9

• Magnesium and 12

• Potassium and 19

• Krypton and 19

In order to move an object, the forces must be what?

• balanced

• unbalanced

• in motion

• at rest

Tags

NGSS.MS-PS2-2

Ricardo was cooking spaghetti in a pot. When he went to touch the handle it was hot and he burned his hand. What form of heat transfer caused him to burn his hand?

• Convection

• Conductoin

• Conduction

• Why should I care?

What happens to metal railroad tracks during the heat of a summer day?

• Decrease in length

• Increase in length

• Decrease in weight

• Increase in weight

Tags

NGSS.MS-PS1-4

A child rides a wagon down a hill. Eventually, the wagon comes to a stop. Which is most responsible for causing the wagon to stop?

• gravity acting on the wagon

• the mass of the wagon

• friction acting on the wagon

• the mass of the child

Tags

NGSS.MS-PS2-2

NGSS.MS-PS3-5

Carey left a bowling ball and kickball outside on a windy day. Which best explains why the kickball moved but the bowling ball did not?

• The kickball has less mass so it was easier to move.

• The force of gravity acting on the bowling ball is greater.

• The mass of the kickball is greater so it is easier to move.

• The force of gravity acting on the kickball is greater.

Tags

NGSS.MS-PS2-2

Which best describes the rate at which an object changes its position

over time?

• force

• speed

• distance

• direction

Cells that have a nucleus are called ________. Which of the following options correctly describes this type of cell? Choose from archaea, bacteria, eukaryotes, or fungi.

• archaea

• bacteria

• eukaryotes

• fungi

Tags

NGSS.MS-LS1-1

NGSS.MS-LS1-2

Susan, Emma, and Scarlett were discussing a science project. Susan said, "If I fertilize my geranium plants, then they will blossom."
Which step of the scientific method is this?

• Stating the problem

• Forming a hypothesis

• Conducting an experiment

• Drawing a  conclusion