Science STAAR

Standing in line is an example of a ________ ________ since you are not moving forward, backward, or sideways.

• negative acceleration

• balanced force

• unbalanced force

• 1st law of motion

Which is newtons 3rd law

• for every thing there is reaction

• for every reaction there is a unusual action

• For every reaction there is an equal and opposite reaction

• for every reaction there is an good action

Tags

NGSS.MS-PS2-1

Which is newtons 2nd law

• Acceleration is a change in speed

• Acceleration is a change in action

• Acceleration is a change in name

• Acceleration is a change in velocity

Tags

NGSS.MS-PS2-2

Which type of force(s) will cause a change in an object's motion?

• gravity

• balanced forces

• unbalanced force

• net force

Tags

NGSS.MS-PS2-2

Newton's third law states that any action will have a(n) _______ and ______ reaction

• equal and same

• equal and opposite

• equal and equal to

Tags

NGSS.MS-PS2-1

What are the appropriate units to describe acceleration?

• m/p

• m/h

• m/s

• m/s square

The tendency of objects to resist a change in motion is called:

• Friction

• Inertia

• Gravity

• Velocity

Where are the genes for the physical traits of an organism located?

• on a strand of RNA

• on a chromosome

• inside a hormone

• inside a carbohydrate

Tags

NGSS.HS-LS3-1

Which of the following best describes an electron?

• It has no charge and about the same mass as a proton.

• It has a negative charge and much less mass than a proton.

• It has a positive charge and much more mass than a neutron.

• It has a negative charge and about the same mass as a neutron.

Tags

NGSS.MS-PS2-3

A scientist spilled a few drops of dilute hydrochloric acid (HCl) on a lab table. For safety purposes, the scientist sprinkled some baking soda (NaHCO3) onto the spill. Which observation would provide the best evidence that a chemical reaction occurred?

• The baking soda and hydrochloric acid combined, and bubbles formed.

• The baking soda absorbed the hydrochloric acid.

• Some of the baking soda dissolved in the hydrochloric acid.

• The hydrochloric acid evaporated, leaving only the baking soda.

Tags

NGSS.MS-PS1-2

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