Matter
This property tells you how much space an object takes up.
Volume
In which state of matter do particles generally have the most freedom to move around?
Gas
A soccer ball is sitting on the ground. You kick it, causing it to move. What type of interaction did you apply?
Force
A skateboarder is moving down a ramp. What type of energy does the skateboarder have because of their motion?
Kinetic energy
Name the three main particles found in an atom.
Protons, neutrons, electrons
A rock contains several different minerals mixed together. Would you classify it as a pure substance or a mixture?
Mixture
You leave an ice cube on the counter and it becomes liquid water. What change occurred?
Melting
A stretched rubber band is being pulled from both ends. Which type of force is being demonstrated?
Tension
A roller coaster is stopped at the very top of a hill. What type of energy does it have because of its position?
Potential energy
Which particle has a negative electrical charge?
A graduated cylinder contains 40 mL of water. After a rock is dropped into it, the water rises to 55 mL. What is the volume of the rock?
15 mL
Water vapor touches a cold window and forms tiny drops of water. What process is happening?
Condensation
Two tectonic plates push toward each other, squeezing the rocks between them. What type of force is this?
A hot cup of cocoa warms your hands when you hold it. What type of energy is being transferred?
Thermal energy
An atom gains two electrons. Is it still neutral? What has it become?
No, becomes negatively charged ion
A scientist finds a substance made entirely of one type of atom. Is this substance an element, mixture, or compound?
Element
A solid changes directly into a gas without becoming a liquid first. What is this process called?
Sublimation
A glacier moves across the ground and scrapes against rocks, gradually wearing them down. What force causes this?
Friction
A guitar string vibrates and produces a sound you can hear. What form of energy is being produced by the vibration?
Sound energy
The nucleus of an atom contains 8 protons. What is the atomic number of this element?
8
You have two objects that are the same size, but one has much more mass. Which object has the greater density?
Object with greater mass
A scientist increases the temperature of a substance. What happens to the motion of its particles, and why can this cause a change in state?
Particles move faster, can overcome the forces holding them together
You drop a ball from a tall building. Which field force causes it to fall toward Earth?
Gravity
The Sun gives Earth several forms of energy. Name three types of energy associated with the Sun.
Light, thermal, magnetic
When the nucleus of a large atom splits into smaller nuclei and releases energy, what process is occurring?
Nuclear fission