Scientific Method
What is the first step of the scientific method?
Observation/Purpose.
A force is a _____ or _____.
Push or pull.
Which is faster: a car that takes 3 seconds or a car that takes 6 seconds to travel the same distance?
The car that takes 3 seconds.
Matter is anything that takes up space and has ______.
Mass.
What are the three states of matter?
Solid, liquid, gas.
A scientist thinks plants will grow taller with more sunlight. What is this called?
A hypothesis.
Is kicking a soccer ball a push or a pull?
Push.
True or False: When two objects travel the same distance, the one that takes less time is faster.
True.
Is air matter?
Yes.
What state of matter is water in a cup?
Liquid.
What do scientists collect during an experiment to help answer a question?
Data or evidence.
What force pulls objects toward Earth?
Gravity.
Ava ran across the playground in 5 seconds. Mason ran across in 8 seconds. Who was faster?
Ava.
Give one piece of evidence that air is matter.
It takes up space and has mass.
What state of matter is an ice cube?
Solid.
Why do scientists perform experiments?
To answer questions and collect evidence.
If a rolling ball hits a wall and bounces another way, what changed?
Direction.
Two toy cars traveled the same distance. Car A took 4 seconds. Car B took 2 seconds. Which car was slower?
Car A.
Which is NOT matter?
Light.
What happens to ice when heat is added?
It melts.
After looking at the results of an experiment, what scientific method step comes next?
Drawing a conclusion.
Name two things a force can change about an object's motion.
Speed and direction.
Rank these racers from fastest to slowest:
Rabbit, Dog, Cat, Turtle.
A basketball, balloon, and tire all have something in common. What is it?
They contain air / air takes up space inside them.
What happens to liquid water when it is placed in a freezer?
It freezes and becomes a solid.