Observation vs. Inference
True or False
Observations use our 5 senses
True
Qualitative or Quantitative
The phone rang 15 times while I was gone.
Quantitative
What happens when you push against a wall?
A. Only you push on the wall
B. The wall pushes back on you with equal force
C. Nothing happens
B. The wall pushes back on you with equal force
A small car and a large truck are both moving at 30mph. Which one has more momentum?
The small car or the large truck?
The large truck
Lizards lie on warm rocks to stay warm by...
Conduction
True or False
An Inference is something we know to be true.
False
Qualitative or Quantitative
The doorbell is ringing.
Qualitative
Which situation shows BALANCED Forces?
A. A car rolling down a ramp
B. A rocket blasting off
C. A book resting on a table
C. A book resting on a table
What are the 2 types of collisions we talked about?
Bouncy (elastic)
Sticky (inelastic)
Warm air rises because of what?
Convection
Observation or Inference
There are 6 students in this classroom.
Observation
Qualitative or Quantitative
The walls in this room are tan.
Qualitative
A rolling ball across the floor eventually stops because of what?
Friction
Energy can be created from scratch and destroyed
False
Which is a great conductor?
A. a wooden block
B. a glass cup
C. a metal bowl
C. a metal bowl
Observation or Inference
I think all students are going to study for the Science Midterm.
Inference
Qualitative or Quantitative
There are 23 pencils in my bag.
Quantitative
Which is an example of an UNBALANCED FORCE?
A. a book sitting on a table
B. 2 people pushing a cart with equal forces in opposite directions.
C. A person pushing a shopping cart forward.
C. A person pushing a shopping cart forward.
What is the difference between Kinetic and Potential Energy?
Kinetic Energy - Energy of motion
Potential Energy - Stored energy
Which is the best example of an Insulator?
A. a plastic toy
B. a wooden table
C. a styrofoam cup
C. a styrofoam cup
Observation or Inference
I think we are going to have school tomorrow.
Inference
True or False
Qualitative means data using descriptive words and Quantitative means data using numbers.
True
What type of forces are equal and opposite, causing no change in motion?
Balanced Forces
What 2 things determine an object's momentum?
Mass and Speed
Describe the difference between
1. Conduction
2. Convection
3. Radiation
Conduction - heat transfer through touch
Convection - heat transfer through liquids or gases
Radiation - heat transfer through waves