Liquids are described as having a definite shape and definite volume definite shape and indefinite volume indefinite shape and definite volume indefinite shape and indefinite volume
Gases are described as having a indefinite shape and indefinite volume definite shape and definite volume indefinite shape and definite volume definite shape and indefinite volume
Which best describes the meaning of "direct contact"? when an object is touching another object when light shines on an object when an object is near another object
When talking about velocity you must include direction. true false
If an object moves up then the object has __ velocity. positive negative
4. A car travels 12.0 km east in 10.0 min, then 8.0 km west in 6.0 min. a) Find the total distance traveled. b) Find the displacement. c) Find the average velocity for the trip.
Long ago, the constellation Cassiopeia was shaped like a W.Today it is shaped like a squiggly line. Why does it look different today than it did many years ago? __
In the Metric System you add a prefix to the base unit to make it bigger or smaller based on the powers of ten. TRUE or FALSE?
5. What is Absolute zero and what happens at it?
1. What is anything that has mass and takes up spece? a. Pounds b. Matter c. Objects d. Gravity
What is the relationship between velocity and acceleration? Acceleration is the change in velocity over time. Velocity is the change in acceleration over time. Velocity and acceleration are equal and opposite. Velocity and acceleration have nothing to do with each other.
19. The process by which atomic nuclei spontaneously decay is called relative dating radioactivity erosion deposition 20. The time it takes for 50 percent of the nuclei in a radioactive sample to decay to its stable isotope is called the daughter product geologic time the half-life the half-time 21. The scientist who developed the theory of evolution was Harry Hess James Hutton Charles Darwin William Smith
Radloactive nuclel undergo decay because they are unstable. a TRUE b FALSE
Which of the following would cause a change in the speed of a sound wave? a the wave being made by a larger vibration b the wave moving through water C the wave changing medium from a gas to a liquid d the wave being made by a smaller vibration e none of the above
A man pulls a vacuum forward 13.6 m with a force of 33.9 N at a $55.0^{\circ }$ angle. How much work is being done to the vacuum by the man? $W=[?]J$
Select the cause of evaporation. Waves from the ocean Energy in the clouds Heat from the Sun Rain on the ground
True/False: The mass of the object affects the rate at which it falls. True False
If more force pushes two surfaces together, then the friction between the surfaces will __ stay the same increase decrease
Which of the following is the ideal way to apply pressure onto pedals? Gently at first and then with full force Stomping with force, so it reacts With your entire body weight behind it By pressing gradually
Select all of the types of electromagnetic waves that are ionizing radiation. gamma infrared microwave ultraviolet X-ray
