S.I units
What is the S.I unit for energy?
Joule
What force pulls everything toward the center of the Earth?
Gravity
What is measured in kilograms and tells you how much matter is in an object?
Mass
In which place does sound not travel?
Vacuum
What is the S.I unit for Area?
square meter (m²)
A push or a pull is called a...?
Force
Mass stays the same everywhere, but this changes depending on gravity.
Weight
What three types of matter can sound travel through?
Solid, liquid, gas
What is the S.I unit for Mass
kilogram (kg)
This force slows things down when they slide.
Friction
If you go to the Moon, your weight changes, but your ______ stays the same.
Mass
What is a reflected sound called?
Echo
What is the S.I unit for Weight
Newton (N)
Name THREE types of forces.
gravity, friction, and upthrust? (Accept others like air resistance, tension, etc.)
You weigh 600 N on Earth. What happens to your weight on the Moon, which has 1/6 Earth's gravity?
100N
Can sound travel in space?
No :)
What is the S.I unit for Volume
cubic meter (m³)
Is electrostatic a contact or non contact force?
non-contact force
An object has a mass of 800kg. Determine the weight of the object on the earth.
800x9.8=7840
What do we call a sound that is too high for humans to hear?
Ultrasound