Topic 2 Assessment

The bumpy pattern on the soles of shoes is called the tread. Melanie and Keisha are at the store looking at the treads on different basketball shoes. They want new shoes so that they do not slide on the basketball court. Which of these situations produces the most friction between the shoes and the floor?

• A. a girl with a less mass wearing shoes with more tread
• B. a girl with a less mass wearing shoes with less tread
• C. a girl with greater mass wearing shoes with more tread
• D. a girl with greater mass wearing shoes with less tread

Tags

NGSS.MS-PS2-2

An astronaut in space might feel weightless, but there still is a gravitational attraction between the astronaut and Earth. Which two factors affect this gravitational attraction?

• A. the masses of Earth and the astronaut
• B. the weight of Earth and the astronaut
• C. the rotation of the Earth
• D. the distance between Earth and the astronaut

Tags

NGSS.MS-PS2-4

Which of the following is an example of a non-contact force?

• Friction
• Gravity
• Magnetism
• Air Resistance

Tags

NGSS.MS-PS2-4

NGSS.MS-PS2-5

Which of the following is an example of a contact force?

• Gravity
• Air resistance
• friction
• magnetism

David delivers meals to elderly people once a week. He uses a cart to move the meals. The cart has four smooth wheels. Which type of friction acts between the cart wheels and the sidewalk?

• A. sliding friction
• B. rolling friction
• C. fluid friction
• D. static friction

Daphne is a pilot for a package delivery service. As her plane takes off and travels away from the Earth’s surface, its gravitational potential energy increases. Which three factors affect the plane’s gravitational potential energy?

• A. mass, volume, surface area
• B. mass, fluid friction, height
• C. acceleration due to gravity, mass, height
• D. height, acceleration due to gravity, volume

Tags

NGSS.MS-PS3-2

Miguel learned about the difference between mass and weight. He wanted to investigate what he would weigh at different locations in our solar system. He used this table to organize data he found out about Earth, the moon, Neptune, and Mercury. He needs to fill out the rest of the table. How would Miguel's mass on Neptune compare to his mass on Earth?

• A. It is less.
• B. It is greater.
• C. It is the same.
• D. It varies compared to the distance between the planets.

Tags

NGSS.MS-PS2-4

NGSS.MS-PS2-5

Suppose a bulldozer is being hauled on the back of a flatbed truck at 50 km/h to a construction site. From which reference point would the bulldozer not appear to be moving?

• A. the road
• B. a traffic light
• C. the truck driver
• D. a roadside treen 1

Carmen is helping load furniture and boxes onto a moving truck. She picks up boxes of her things, places them on a cart, and pushes the cart to the moving van. Which term best describes the type of force Carmen is using?

• A. contact
• B. friction
• C. gravity
• D. noncontact

Ahmed saw all of these things as he walked to school this morning. Which one is an example of a force pushing downward toward the ground?

• A. A bird sat on a telephone wire.
• B. A woman moved her child from one place to another in a wagon.
• C. A man pulled weeds in his garden.
• D. A dog tugged on a rope held by a child.

Tags

NGSS.5-PS2-1