Force and Motion
A push or a pull
Force
In this step, you predict what will happen in the experiment
Hypothesis
Keeps its shape and volume
Solid
which of these would NOT be a good insulator of electricity: metal, plastic, glass, wood
metal
a man is pulling a heavy box towards him with a rope. In order for the box to move, the man must apply:
A. gravity
B. Magnetism
C. Friction
D. Force
Force
The steps we use to conduct a scientific investigation. They are: purpose, research, hypothesis, experiment, analysis, conclusion
Which process occurs when wet clothes are hung out to dry on a sunny day
evaporation
At the end of a very hot, sunny day, which playground area will probably be too hot to touch?
Metal climbing tower, plastic slide, wooden bridge, rubber bounce house
metal climbing tower
block 1 is made of a different material than block 2
block 1 is less dense than water and block 2 is more dense than water
What unit of measurement measures force?
Newtons
Characteristic that is tested and changed in an experiment
Variable
What temperature does water boil at?
100 degrees Celcius
What are the three methods used to separate mixtures?
Sieve/Strainer
Filter
Magnet
Out of the given substances, which one does NOT have the ability to dissolve: lemon juice, sand, salt, sugar?
Sand
A kickball is rolled toward home plate and kicked by a player. Using the terms push and pull, how did the ball move?
The kicker pushed the ball
A student conducts an investigation to learn how materials conduct heat. The student places a wooden spoon and a metal spoon in identical containers of hot water. Then, the student takes the temperature of the water in each container to make sure both are the same temperature. What is the VARIABLE in the student's investigation
The type of spoon
1. water is poured into a cup
2. the temperature decreases below 0 degrees Celcius
3. ???
What goes into the next step?
the water would change to a solid (ice)
the part of a mixture in which other substances are dissolved is called the...
solvent
Students are combining ingredients to make solutions. How can they speed up the process of combining sugar and water
Heat the water
In order for work to be done...
A. an object must move
B. an object can stay in the same location
C. two forces must be applied to an object
D. objects must remain in stationary position
A. an object must move
students notice that an object changes position and motion when it is pushed or pulled. the students are making a:
A. hypothesis
B. conclusion
C. prediction
D.observation
observation
Students investigate how changes in states of matter is caused by heating and cooling. How can the reliability of the results be increased?
A. repeat the investigation
B. communicate valid conclusions
C. organize the information
D. create a data table
repeat the investigation
You have a copper penny, a metal spoon, and an iron nail. What are some physical properties that they have in common?
all conduct electricity, all sink in water, all are solids
Students are working to find the mass of a hand lens. What tool should students use to measure mass? And what units would they measure it in?
triple beam balance; grams