A swing moves back and forth. This repeating movement is called a pattern of...
Motion
A force is a push or a ...
Pull
How many poles are on a magnet?
2
Forces that are equal in strength are called ______ forces.
Balanced forces
This tool measures temperature.
Thermometer
The Sun appears to move across the sky each day. Is this motion random or predictable?
Predictable
What can happen to a ball's speed when a stronger force is applied?
It can move faster.
What are the names of the two poles on a magnet?
North and South
In a tug-of-war, neither team moves. Are the forces balanced or unbalanced?
Balanced
Eye color is an example of an inherited trait. True or False?
True
Up and Down
What is one possible effect of unbalanced forces?
a change in gravity
a change in friction
a change in size
a change in motion
Why would a magnet repel?
If the same poles are facing each other.
Which force is in motion?
Unbalanced Force
Define an inherited trait ...
A trait passed down from a grandparent or parent to offspring.
True or false: If you use less force when bouncing a basketball, it will bounce higher. If you use more force, it will bounce less high?
False
A student pushes two identical toy cars. One receives a gentle push and one receives a strong push. Which car will travel faster?
The car with the stronger push
How does a magnet attract?
Opposite poles must be facing each other?
A wagon starts moving because one child pulls harder than another. Are the forces balanced or unbalanced?
Unbalanced forces
A young rabbit grows larger and begins to look more like its parents. Which science topic does this describe?
Life cycles
Noah and Caleb are on a seesaw, on the playground. When Noah goes down, Caleb goes up. What can you predict will happen when Noah goes up?
Caleb will go down.
A student pushes a toy car on a smooth floor and then pushes the same car with the same force on a carpet. The car travels a shorter distance on the carpet. What could explain the difference?
The carpet creates more friction, which affects the car's motion.
A student tests a penny, paper clip, plastic spoon, and rubber band with a magnet. Which object is most likely to be attracted?
The paper clip
How can you tell when forces acting on an object are unbalanced?
The object's motion changes (it starts moving, stops, speeds up, slows down, or changes direction).
A child has purple hair. What type of trait is this?
Acquired Trait