Measurement and Tools
This tool measures length in centimeters and meters and is commonly used in class.
Ruler
What do we call a characteristic of a material that we can observe or describe, such as being hard, shiny, or soft?
Physical property
What do you call a force that moves an object away from you?
Push
The ringing of a bell is an example of this kind of energy.
Sound Energy
Putting old paper into the correct bin so it can be used again and turned into a new product is called _____.
Recycling
When you use a ruler to compare two objects, this science skill is being used.
Observing or Measuring
Which property describes a metal material that can be stretched into thin wires without breaking easily?
Ductility
What do you call a force that moves an object toward you?
What is the main natural source of light for Earth?
Sun
Why is it important to reuse materials?
To reduce waste and make use of materials again.
Give one unit you could use to measure the width of a pencil.
Centimeter (cm)
A metal spoon is hard and shiny. What property of metal does its shininess demonstrate?
Luster
These are the two types of forces_______
Contact and Non-contact Force
How is sound produced?
Sound is produced when an object vibrates.
TRUE OR FALSE. It is safe to pour excess oil into the sink because oil does not affect the environment.
FALSE
Which unit is most appropriate for measuring the length of your classroom: millimeter, centimeter, or meter?
Meter
What do you call the pushing or squeezing of a material to make it flat or thinner.
Pressing
Two toy cars are pushed with the same amount of force. One is placed on a smooth floor, while the other is placed on a rough floor. Which car will likely move farther?
The car on the smooth floor.
It is the flow of energy between objects.
Heat Energy
What can happen if you change materials carelessly?
It can lead to accidents and pollution.
Anna wants to find out how long her notebook is. She places the 1-cm mark of the ruler at one end of the notebook. The other end reaches the 25-cm mark. How long is the notebook?
24 centimeters
A blacksmith uses a hammer to change a piece of metal into a useful shape. What kind of change is happening to the metal?
Hammering
Leo pushes a heavy box, but it barely moves. His friend pushes the same box with him. The box then moves. What does this show about force and motion?
A greater force can make it easier to move a heavy objec
Ben wants to send a message to his friend without speaking. He flashes a flashlight on and off using a pattern. What form of energy is he using to send information?
Light Energy
What is one way humans use wind?
The wind power can be used to make electricity.