Fun

What did we learn by reading the book Crow Scientist?

• Crows have very bad vision

• Crows are angry and scary

• Crows can understand when people talk

• Crows can recognize people's faces

Tags

NGSS.3-LS4-3

A student wanted to see how his toy car would roll on different types of flooring. He decided to roll the car on a tile floor, a wood floor, and a carpeted floor.

His investigation was designed to test the effects of which of the following forces?

• Friction

• Magnetism and friction

• Gravity

• Gravity and Magnetism

Tags

NGSS.MS-PS2-2

A teacher attaches pictures to the dry-erase board using adhesive tape during a sorting activity. The next day, one of the pictures was found on the ground. Which force acted upon the picture, causing it to fall?

• Evaporation

• Magnetism

• Friction

• Gravity

Tags

NGSS.MS-PS2-4

A worker is constructing playground equipment for the park and dropped a box of nails and bolts. How will a magnet be helpful to the builder?

• The magnet will push the nails and bolts away from it.

• Gravity will cause the magnet to pick up the nails and bolts.

• The magnet will pull nails and bolts toward it.

• Friction will cause the magnet to pick up the nails and bolts.

Tags

NGSS.3-PS2-3

What force most likely causes the skateboarder to skate down the half-pipe ramp over and over again?

• Pushing

• Gravity

• Magnetism

• Friction

Tags

NGSS.MS-PS2-2

NGSS.MS-PS2-4

When riding a bicycle, which force most likely causes the bicycle to move forward?

• Pushing the pedals

• Pulling the pedals

• Gravity pulling the bike down to the ground

• Magnetism between the wheels and pedals

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

Which force most likely helps players score points in a basketball game?

• Magnetism

• Gravity

• Pulling

• Friction

Tags

NGSS.MS-PS2-4

Which force keeps the letters,words,and pictures from falling off the refrigerator?

• Magnetism

• Gravity

• Pulling

• Friction

A Scout Troup wanted to test the effects of friction on moving toy cars. Using the same toy car in every trial, they slid it across sand paper, tile, carpet, and grass.

Which tools were most likely used in their investigation?

• Spring scales, and hand lenses

• Meter Sticks and microscopes

• Timing devices and meter sticks

• Thermometers and timing devices

Tags

NGSS.MS-PS2-2

In a science classroom, the students performed an investigation, which included the procedural steps listed.

-hold a small paper boat in one hand

-pour a small amount of iron fillings mixed with salt in the paper boat

What type of force could be used to move the iron fillings?

• Gravity

• Friction

• Magnetism

• Push/Pull

Tags

NGSS.MS-PS2-3