Nature of Science
Surprise
States of Matter
Forms of Energy
Properties of Matter
100
How many variables can an experiment have?
ONLY One
100
Two balloons that repel have what kind of charges?
Same or different AND negative or positive
Same and Negative
100
Which state of matter has a definite volume but no definite shape.
Liquid
100
Which of these is not a conductor?
Aluminum
Magnet
Graphite (pencil lead)
Iron
Gold
Magnet
100
What property is being measured in the picture?
Mass (NOT weight)
200
What is the variable?
The type of liquid.
200
What can you do in an experiment to make sure your results are valid?
Repeat the experiment
200
Which state of matter has no definite volume and takes the shape of the container it's in?
Gas
200
In which direction does heat energy ALWAYS move?
Heat energy moves from HOT to COLD
200
What property is the same in this picture and what property is different? (Not color)
Volume is the same and mass is different
300
Which is the control?
The plant with zero drops of fertilizer.
300
There is an apple tree in Kim’s backyard. Every year a bird builds a nest and raises its young in the tree. Each year Kim records how many baby birds are born. She also records the average temperature and rainfall during the summer.
Is this an experiment or an investigation?
Investigation. There is no variable or control group.
300
Which state of matter keeps its shape and volume no matter what container it's in?
Solid
300
What type of energy is store in a battery?
Chemical
300
Compare the volume of air in Jar A to the volume of air in Jar B. (Jar A on the left and Jar B on the right)
The volume of air in Jar A is greater than the volume of air in Jar B.
The volume of air in Jar B is less than the volume of air in Jar A.
400
List three constants in this experiment.
Amount of sun
Type of plant
Type of soil
Type of container
400
Randy measures how far a marble rolls across a table when the table has different covering on it. He records his data in the table below.
Which is a reasonable prediction for how far the marble will roll on the tablecloth for Trial 3?
9, 10, 11, or 12 cm
400
What caused the gas around this glass to change to a liquid?
The water cooled and condensed from a gas to a liquid.
400
Why does the pencil appear broken?
Refraction or the light bends from the air to the water
400
What is the volume of the rock? (Include units!)
100 cubic centimeters
500
Give the control AND the variable for:
Control: No fertilizer
Variable: Type of fertilizer
500
Randy measures how far a marble rolls across a table when the table has different covering on it. He records his data in the table below.
Which is the control group for this experimet?
No Covering
500
What causes matter to change from a solid to a liquid?
Heat
500
Give an example of electrical energy being transformed to mechanical energy.
Ceiling fan, electric fan, pencil sharpener
500
Which liquid has greater mass?
Liquid A
600
How does placing an ice pack on our hot skin cool us down?
Since heat moves from hot to cold, the ice pulls the heat out of your skin.