7th Grade 1st Semester Final Exam

Which statement best describes the forces in a collision?

• a. Forces only affect the larger object
• b. Forces disappear immediately after contact
• c. Forces act in only one direction
• d. Forces exist between both objects

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

What happens to all solid objects when they experience a collision or contact force?

• a. They only change color
• b. They bend or change shape
• c. They completely break apart
• d. They maintain their exact shape

Tags

NGSS.MS-PS2-1

During a collision between two objects, which statement is ALWAYS true?

• a. Both objects are permanently damaged
• b. The objects never change direction
• c. The objects make physical contact
• d. Only one object experiences force

Tags

NGSS.MS-PS2-1

When two objects collide, what is NOT necessarily true?

• a. Forces act between the objects
• b. The objects make contact
• c. Damage must occur
• d. Motion may change

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

Which contact force helps you stop when riding a bicycle?

• Friction force
• Magnetic force
• Air resistance
• Gravitational force

Tags

NGSS.MS-PS2-2

Amy smashes her Switch with her softball bat. What category of collision is this?

• Collision type A
• Collision type B
• Collision type C

Tags

NGSS.MS-PS2-1

John threw his phone at the wall. Which type of collision does this demonstrate?

• Collision type A
• Collision type B
• Collision type C

Tags

NGSS.MS-PS2-1

The variable that is changed in an experiment is the:

• Independent Variable
• Dependent Variable
• Controlled Variable

Tags

NGSS.MS-PS2-2

NGSS.MS-PS3-4

What do we call the variable that is being measured?

• Independent Variable
• Dependent Variable
• Controlled Variable

Tags

NGSS.MS-PS3-4

What type of transfer occurs during every collision?

• a. Energy transfer
• b. Color transfer
• c. Mass transfer
• d. Temperature transfer

Tags

NGSS.MS-PS2-1

NGSS.MS-PS3-1

NGSS.MS-PS3-5