Which is an example of a non-contact force?
Ví dụ nào về lực không tiếp xúc?

Unit 4 Final Test

Quiz
•
Science
•
3rd Grade
•
Medium
Frank krueger TDS HP
Used 2+ times
FREE Resource
36 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Friction
Air resistance
Tension
Gravity
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does Newton’s First Law state?
Định luật thứ nhất của Newton phát biểu điều gì?
Force equals mass times acceleration
An object at rest stays at rest unless acted on by a force
Every action has an equal and opposite reaction
Energy cannot be created or destroyed
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If forces on an object are balanced, the object will:
Accelerate
Explode
Rotate
Remain still or move at constant speed
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does a force vector show?
Vectơ lực biểu thị điều gì?
Speed only
Mass only
Direction and strength
Volume and temperature
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
When heat moves through direct contact, it is called:
Khi nhiệt di chuyển qua tiếp xúc trực tiếp, nó được gọi là:
Convection
Radiation
Conduction
Insulation
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
When heat moves through fluids by circulating currents, it is called:
Khi nhiệt di chuyển qua chất lỏng bằng dòng điện tuần hoàn, hiện tượng này được gọi là:
Conduction
Radiation
Reflection
Convection
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which is a good conductor of heat?
Chất nào dẫn nhiệt tốt?
Wood
Copper
Plastic
Wool
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