Measurement
What tool do you use to measure temperature of a liquid in degrees Celsius?
A thermometer
What are the 3 states of matter?
Solid
Liquid
Gas
What is a force?
What type of energy does a lamp give off?
Light energy
Before measuring the mass of a paper clip, what is a reasonable estimate of its mass?
About 1 gram
What happens to a solid when it is heated?
It melts into a liquid
Give an example of a push
Pushing a door open
What are examples of sound energy?
Music, speech, noise
How do you measure the temperature of a solid?
Solids are not usually measured in Celsius directly
What is a gas?
A state of matter that has no shape or volume
Give an example of a pull
Pulling a wagon
What are examples of light energy?
Sunlight, flashlight, lamp
What is the importance of estimating before measuring?
It helps you predict the outcome and understand the range of expected results
What happens to a liquid when it cools down?
It freezes into a solid
What can you test for an investigation on push and pull?
The strength of a force or how far an object moves
What are examples of heat energy (thermal)?
Heater, or heat from the sun
Why is it important to use the correct units when measuring?
To be accurate and clear
How do you know if a substance is a solid, liquid, or gas?
Observe its shape and volume
How do magnets attract and repel?
Opposite poles attract and poles that are alike repel
What is mechanical energy?
Energy of motion and position