Science Procedures and Tools
Which of the following is a safety practice you should perform immediately after each classroom laboratory?
Wash your hands
A push and pull are two examples of a what?
Force
Ice
Solid
Iron
Magnetic
When an object is less dense does the object sink or float?
Float
When should we use our scientific procedures?
Every time we do a lab
What term identifies a force that opposes motion and acts between two objects that are touching?
Friction
Wator Vapor
Gas
Plastic
Not Magnetic
Does wood sink or float?
Float
To demonstrate safe practices during lab investigations in the classroom, which two pieces of safety equipment should you use?
Safety Goggles and Gloves
Raoul throws a ball into the air and watches it go up for a long time. Then it starts to fall back toward him. What force causes the ball to return to the ground?
Gravity
Milk
Silver
Not Magnetic
Why can some large objects float but some small objects sink?
The closeness of the molecules of matter
You would use a calculator to collect and record which of the following types of information?
A. the average height of your classmates
B.the different colors in white light
C.the mass of your science textbook
D. the volume of two different liquids
A. the average height of your classmates
What type of force is there when two objects are pushing each other but there is no movement? Balanced or unbalanced?
Balanced Forces
Helium
Gas
Not Magnetic
If an object sinks, is it less dense or more dense than water?
More Dense
Your class has a large collection of insect specimens. Your teacher shows you how to examine the insects to identify them. Which tool should you use to observe and collect information needed to identify the insects? A. a hand lens
B. a telescope
C. a collecting net
D. a spring scale
A. a hand lens
Jane likes to play many types of sports. During the course of a week, she goes bowling and plays soccer, baseball, and volleyball. Jane thinks the bowling ball requires the most force to move. Why would it require the most force?
The bowling ball has the most mass
Wood
Solid
Steel
Magnetic
All liquids have the same density. True or False.
False