3.P 11.2 Friction

Mrs. Seeley is standing outside in the cold weather waiting for her mom to pick her up. How can she create heat with her hands?

• Rub her hands together

• Wave her hands in the air

• Cover her hands in a towel

• Wash her hands with water

Tags

NGSS.MS-PS3-5

How can two objects will create some heat?

• The objects are far apart.

• The objects are both very heavy.

• The objects rub against each other.

• The objects are made of different materials.

What makes a nail feel hot right after it is pulled from a piece of wood?

• The wood is made from a tree, a living thing.

• The nails was heated by the air around it.

• The nail is made of iron, a kind of metal.

• The wood rubs against the nail.

Tags

NGSS.MS-PS3-5

NGSS.MS-PS1-4

NGSS.MS-PS3-4

What kind of energy can be created from rubbing an eraser on a desk?

• Electric energy

• Heat energy

• Light energy

• Magnetic energy

Tags

NGSS.MS-PS3-5

Mrs. Rozier is riding her bike to school, when her tires start to feel hot. Why are her tires hot?

• They rubbed against the road.

• They are very smooth.

• They moved in a circle.

• They are filled with air.

Tags

NGSS.MS-PS1-4

Which of the following would create the most heat?

• Dragging a heavy box across the floor

• Letting ice cubes melt on a plate

• Growing plants in a sunny window

• Pouring water from one cup to another

Tags

NGSS.MS-PS3-5

NGSS.MS-PS3-4

Mrs. Tedder is creating a campfire with her family. Which of the following ways is the best way to create heat without a lighter or match?

• Allowing the sun to shine on a pile sticks

• Breaking one long stick into smaller sticks

• Rubbing two large sticks together

• Blowing warm air onto a pile of sticks

Mrs. Barnes is playing with some wooden blocks at home. What can she do to create heat with the blocks?

• Place one block on top of the other

• Carefully take the temperature of the blocks

• Put the blocks under a heavy blanket

• Rub one block against the other

Tags

NGSS.MS-PS3-5

Mrs. Zabitosky likes to wear rubber rain boots when it has been raining outside and the ground is wet. How will her rain boots increase the amount of friction between her feet and the ground?

• The boots make him slip easier because they have smooth soles.

• The boots are stylish and do not affect the amount of friction between his feet and the ground.

• The boots have rubber soles that grip the ground to prevent him from failing.

• The boots keep his toes from getting wet because they are rubber