Measurement
What tool do you use to measure the temperature of a liquid in degrees Celsius?
A thermometer
What are the three states of matter?
Solid, liquid, gass
What is a force?
A push or pull of an object.
What type of energy does a lamp give off?
Light energy
What does a push or pull change?
The motion of an object.
Before measuring the mass of a paper clip, what is a reasonable estimate of its mass?
About 1 gram
What happened to a solid when it is heated?
It may melt into a liquid.
Give an example of a push.
A force to move something AWAY- Pushing a door open, shoving a tray across a table, pushing a baby stroller
What are examples of light energy?
Music, speech and noise.
What kind of objects will a magnet attract?
Iron objects
How do you measure the temperature of a solid?
Solids are usually not measured in Celsius directly: you can measure the temperature of a liquid to infer it
What is a gas?
A state of matter that has no fixed shape or volume.
Give an example of a pull.
A force to move something TOWARD YOU. Examples: opening a door, pulling a table, pulling a wagon
What are examples of light energy?
Sunlight, light from a flashlight, or a lamp.
What direction does the magnetic needle of a compass point to?
North
What is the importance of estimating before measuring?
It helps you predict the outcome and understand the range of expected results.
Predict what happens to a liquid when it cools down?
It may freeze into a solid.
What can you test for in an investigation on push and pull?
The strength of the forces or how far an object moves.
What are examples of heat energy?
The warmth from a heater, the heat from the sun, oven stove
What is mass?
a measure of how much matter is in something
Why is it important to use the correct units when measuring?
Using the correct units ensures accuracy and clarity in communication.
How can you determine if a substances is a solid, liquid or gas?
By observing its shape and volume.
How do magnets attract and repel?
Opposite poles attract, and like poles repel.
What is an example of mechanical energy?
Wind-up toy, classroom pencil sharpener, scissors,
Why might you slip more often on an icy road than a dirt road?
Because there is less friction between an icy road and your feet