Forces & Motion
Which force acts against motion and creates heat?
Friction
Name any 3 properties of matter.
Size, Shape, Color, Texture, Solubility, Magnetism, Conductivity, Density, Mass, Volume, Weight, etc.
If a substance does NOT dissolve, it is __________.
Insoluble
Which energy is the energy of Motion?
Mechanical
How many variables should you test at a time in an investigation?
1
What tool measures Force?
Spring Scale
If an ice cube has a mass of 15 grams, how many grams will it have when it melts?
15 grams
What properties of water change when red Koolaid drink mix is added?
Color, Taste, Smell, Mass, Volume, Density
Name three materials that REFRACT light well.
Prism, Lenses, Water
A student is investigating if the mass of a ball affects how high it will bounce. What tool would they need to conduct this investigation?
Meter stick, ruler, measuring tape
and a Triple Beam Balance
What is the force slows down objects as they fall to earth? (Think about parachutes)
Air Resistance
Dissolves
What properties of Kool Aid powder change when it is added to water?
Color, Solubility, State
Name three materials that REFLECT light well.
Mirror, Surface of Water, Glass, Shiny Metals
A student is investigating if the length of a pendulum affects how many swings it will make in 15 seconds. What is the variable they are testing?
The length of the string.
What tool would you use to measure the distance a ball rolls down an inclined ramp?
Meter Stick
Ruler
Measuring Tape
List 3 non-magnetic metals
Steel, Gold, Silver, Aluminum, Copper, Brass
How can you separate a solution of Salt and Water?
Heat, Evaporate, Boil
What creates Sound Energy?
Vibrations
A student is making telephone cups and wants to know if different types of cups affect the sound. What is the tested variable?
The materials of the cups.
When an object is NOT in motion, the forces are said to be _______.
balanced (or equal)
List three materials that do NOT conduct electricity.
Glass, Stone, Plastic, Rubber, Wood, Foam, Paper, Cardboard, Fabric, Cotton
What tool best separates a solution of salt water from sand?
Filter Paper
What is the difference between refraction and reflection?
Refraction is the bending of light.
Reflection is the bouncing of light.
A student is measuring how much force is needed to pull a wooden block up 3 ramps with different inclines. What tool should she use to take this measurement?
A spring scale.