Forces Eog

A student throws 4 items with the same amount of force. A paper clip (0.5 grams) a marble (1 gram), an eraser (1.5 grams) and a marker (2 grams). Which object will go the fastest when thrown?

• paper clip

• marble

• eraser

• marker

Tags

NGSS.MS-PS2-2

NGSS.MS-PS3-1

Mary places a glass of ice that weighs 1 pound on the counter. When she returns a few hours later, all the ice has melted. What is the mass of the glass and melted water after she returns?

• 1 pound

• 1/2 pound

• 2 pounds

• there is no way to determine the amount

Tags

NGSS.MS-PS1-5

NGSS.MS-PS3-4

Why are electrical wires covered in plastic?

• Plastic is an insulator and protects people from getting electrocuted if they were to touch the copper wire inside.

• Plastic is a conductor and protects people from getting electrocuted if they were to touch the copper wire inside.

• Copper is a conductor and protects people from getting electrocuted if they were to touch the plastic outside.

• Copper is an insulator and protects people from getting electrocuted if they were to touch the plastic outside.

Macie’s job at the bookstore requires her to move several heavy boxes of books. How can Macie use the least amount of force to move the boxes?

• by packing the books in smaller boxes

• by packing the books in larger boxes

• by stacking the boxes and pulling them out of the storage room

• by stacking the boxes and pushing them out of the storage room

Mike and Rachel ride their bikes 1 mile to the park and then ride their bikes 1 mile to the store. It takes them longer to get to the park than it takes to get to the grocery store. Which can most likely be concluded?

• Mike and Rachel biked faster to the store.

• Mike and Rachel went a different way to the park and the store.

• Mike and Rachel biked the same speed to the park and the store.

• Mike and Rachel rode their bikes home then to the store.

Four cubes made of different materials are moving down a plastic slide. Which cube would experience the greatest amount of friction?

• the cube made of sandpaper

• the cube made of ice

• the cube made of smooth plastic

• the cube made of polished stone

A book is being pushed across a table. If an equal force is applied to the book in the opposite direction, which will most likely be the result?

• The book will decrease in speed.

• The book will increase in speed.

• The book will fall off the side of the table.

• The book will continue moving at the same speed.

Tags

NGSS.MS-PS2-2

Which will most likely stop an object in motion?

• force

• mass

• accleration

• speed

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

Which best explains why a ball increases in speed as it rolls down a hill?

• The ball increases in speed because of gravity

• The ball increases in speed because of friction

• The ball increases in speed because the mass changes

Tags

NGSS.MS-PS2-4

NGSS.MS-PS3-5

Jamari pushed a cart containing a stack of textbooks and stopped suddenly. Which would most likely happen to the books on the cart?

• The books would slide off the front of the cart

• The books would slide sideways off of the cart.

• The books would slide off of the back of the cart

• The books would stay stacked until the cart moves again

Tags

NGSS.MS-PS2-2