Science CBA 4th Grade TX

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

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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.3-PS2-1

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.

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A man is kayaking in a river for a fun day of fishing. How does using the paddle affect the motion of the boat?

• The friction between the paddle and water cause the boat to move forward.

• Gravity causes the boat to move when the paddle is lowered down into the water.

• Pulling the paddle causes the boat to move in the same direction of the pull.

• Pulling the paddle causes the boat to move in the opposite direction of the pull.

Tags

NGSS.3-PS2-1

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

• Pushing

• Gravity

• Magnetism

• Friction

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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.3-PS2-1

Which force most likely explains why skates roll differently on surfaces such as wood, cement, rubber, or carpet?

• Pulling

• Gravity

• Magnetism

• Friction

Tags

NGSS.3-PS2-1

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

• Magnetism

• Gravity

• Pulling

• Friction

Tags

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

• Magnetism

• Gravity

• Pulling

• Friction

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A student wants to test the force of magnetism by placing objects on top of a piece of cardboard and them moving them with a magnet placed under the cardboard. Which items will help the student with this investigation?

• A paperclip, a thumbtack, and a toothpick

• A nail, a paperclip, and a thumbtack

• A piece of foil, iron fillings, and a naiil

• A paperclip, a penny, and iron filings

Tags

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