Pass Science

When an object is acted on by unbalanced forces, the object will -

• continue in the same direction

• continue at the same speed

• accelerate

• come to a stop

Tags

NGSS.MS-PS2-2

A student drops a beaker on the floor, breaking it. Which of the following should the student do FIRST?

• Tell the teacher about the accident.

• Find a new beaker to use.

• Look for a broom and dustpan.

• Have your lab partner clean it up for you.

What is the temperature shown on the thermometer?

• -28 ° C

• -12 ° C

• -26 ° C

• -15 ° C

Structures A and B are located in the

• valence shell

• energy levels

• electron cloud

• nucleus

Tags

NGSS.MS-PS1-1

What element is represented in this model?

• Lithium

• Beryllium

• Sodium

• Nitrogen

Tags

NGSS.MS-PS1-1

Which of the following is an example of a new substance being formed by a chemical reaction?

• milk souring

• water evaporating

• iron bending

• helium-filled balloon floating

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

A student creates a mixture of water and washing soda weighing 10 g and a mixture of water and epsom salts weighing 15 grams. He knows that when he mixes the two substances a chemical change will occur. According to the law of conservation of mass, what should the weight of the products be after he mixes them?

• 10 g

• 15 g

• 5 g

• 25 g

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Two students play tug of war. Jack pulls East with a force of 82 Newtons while Tony pulls west with a force of 96 Newtons. Which of the following best describe the net force on the center of the rope?

• 178 N West

• 178 N East

• 14 N West

• 14 N East

Tags

NGSS.MS-PS2-2

Stan was running a on a trail in a wooded area next to his house. He generally runs at a pace of 3 m/s. While Stan was running he realized he was going to have to pass the person that was running in front of him. To do this, Stan had to run at a pace of 7 m/s for about 2 seconds. What was Stan's acceleration during this time?

• 2 m/s²

• 2 m/s

• 5 m/s²

• 5 m/s

A person is standing in the middle of a boxcar on a train moving 100 km per hour. If the motion of the boxcar remains constant, where in the boxcar will the person most likely land after he jumps straight up?

• 
• 
• 
• 

Tags

NGSS.MS-PS2-2

NGSS.MS-PS3-5