September 6, 2017
Please write the question and choose the best answer.
Which of the following is an example of movement caused by a non-contact force?
a)A foot kicking a soccer ball
b)Paperclips being pulled toward a magnet
c)Shoes rubbing against the floor
d)Wind pushing against a kite
Force: a push or pull.
September 7, 2017
Which describes a contact force?
a)A magnet pulling a paper clip towards it
b)Air pushing a sailboat
c)Gravity pulling the ball towards Earth
d)An electric field
Friction: a force that acts to oppose sliding between two surfaces that are touching.
September 14, 2016
A student shoots a basketball. Which non-contact force drags the ball down the basket?
a)Friction between the ball and the air
b)The ball hitting the rim
c)Gravity pulling the ball towards earth
d)The student pushing the ball in the air
Mass: the amount of matter in an object.
September 13, 2017
Two classes are playing tug of war. If the center of the rope is not moving, what must be true?
a)Both classes are pulling equally
b)Both classes have equal mass
c)The ground is slippery
d)One class is pulling harder than the other
Weight: a measurement of the amount of gravitational pull on an object caused by the force of gravity on its mass.
Weight= mass x force of gravity
September 16, 2016
A row boat is floating on the water with two passengers. The weight of the boat is pushing on the water and the water is exerting an upward force to the boat. What will happen if another passenger gets on the boat?
a)It would go lower
b)It would move to the left
c)It would rise higher
d)It would sink to the bottom.
Acceleration: the change in an objects speed or
Direction over time
September 19, 2016
A train is moving along a track. If the forces acting on the train are balanced, how will its motion be affected?
a)Change direction
b)Continued unchanged
c)Speed up
d)Stop
Newton’s law of motion: the rules and formulas for force motion acceleration and mass.
September 8, 2017
Which material describes a conductor?
a)Plastic
b)Copper
c)Glass
d)Rock
Circuits: electric current flows through a path called a circuit.
September 21, 2016
Which material is an examples of an insulator?
a)Paper clips
b)Plastic spoon
c)Aluminum foil
d)Copper wires
Conductor: a material that allows electrons to move or transfer heat easily.
September 15, 2017
An object will move only when there is ______force acting on it.
a)A consistent
b)A balanced
c)An unbalanced
d)A downward
Speed: the distance traveled divided by the time it takes to travel that distance.
September 26, 2016
The step in the scientific method where you come up with a good question to be answered.
a)Hypothesis
b)Problem/ question
c)Conclusion
d)Results
Procedure: a set of steps to follow to perform a task.
September 27, 2016
What is one of the first steps in the scientific method?
a)Experiment
b)Hypothesis
c)Data
d)Observation
Predict: is to guess what will happen in the experiment.
September 28, 2016
Which step is used to test the hypothesis?
a)Results
b)Observation
c)Experiment
d)Conclusion
Hypothesis: a possible solution to a problem that can be tested.
September 29, 2016
As scientist work on their experiments, they are making observations and collecting______.
a)Predictions
b)Data
c)Questions
d)Solutions
Examine: to look closely at someone or something.
September 21, 2017
This step involves analyzing and summarizing the results. This part is where you find out if your hypothesis is correct.
a)Conclusion
b)Experiment
c)Results
d)Observation
Quantitative data: data that includes measurement or length, mass or time.
October 3, 2016
Which step of the scientific process asks a question that you are trying to find out?
a)Results
b)Prediction
c)Problem
d)Observation
Qualitative data: data collected using observation with your 5 senses.
October 4, 2016
Which set is in the correct order?
a)Hypothesis, observation, problem, conclusion
b)Observation hypothesis conclusion, problem
c)Observation, problem, hypothesis, conclusion
d)Problem, observation, hypothesis, conclusion
Inference: is using your background knowledge to predict what happened.
October 5, 2016
Another way we can explain a hypothesis is by making an educated ______or ______
A) problem, solution
b) Plan, procedure
c) Guess, prediction
D) Question, answer
Water cycle
September 25, , 2017
Which word describes when water vapor rises to the clouds?
a)Transpiration
b)Evaporation
c)Runoff
d)Precipitation
Water cycle: is the journeywatertakes as it circulates from the land to the sky and back again
September 26, 2017
When water accumulates and pours into near rivers, lakes or ponds.
a)Runoff
b)Condensation
c)Transpiration
d)Precipitation
Precipitation: rain, snow, sleet or hail
September 28, 2017
What is the main source of energy for the water cycle?
a)The earth-moon system
b)Flowing water
c)The sun
d)Gravity
Freshwater: water that can be consumed after filtration, found in glaciers, rivers, lakes, groundwater and atmosphere.
September 29, 2017
The process by which water vapor in the atmosphere
Changes into clouds are called______.
a)Condensation
b)Transpiration
c)Evaporation
d)Precipitation
Water vapor: the gas state of water
October 2, 2017
Which of these contains most of the Earths fresh water?
a)Oceans
b)Lakes, rivers
c)Glaciers
d)Groundwater
Evaporation: the changing of a liquid into a gas
October 4, 2017
Water vapor is added to the atmosphere primarily through
a)Condensation
b)Precipitation
c) Sublimation
d)Evaporation
Cumulonimbus cloud: a dark large cloud that can produce thunderstorms
October 5, 2017
Which type of gas is a product of burning fossil fuels?
a)Oxygen
b)Carbon dioxide
c)Water vapor
d)Nitrogen
Stratus cloud: a type of cloud with smooth layers
October 6, 2017
Which cloud type means layered?
a)Cumulous
b)Stratus
c)Alto
d)cirrus