Scientific Method
Matter
Plants
Ecosystems
Force and Motion
100
What is always the first step of the scientific method?
question
100
What state of matter are the particles packed tightly together?
solid
100
What plant part is responsible for absorbing water and nutrients?
roots
100
All food chains and food webs always start with what?
sun
100
What type of energy is energy of motion?
kinetic energy
200
In an experiment, the things that we keep the same are called what?
constants
200
What is the smallest unit of matter?
atoms
200
Where does photosynthesis take place?
leaves
200
What is the term for organisms that make their own food?
producers
200
What is friction and would grass or metal have more friction?
a force that opposes or works against motion
grass would have more friction
300
What are the 2 keywords to look for in a hypothesis?
if and then
300
In what state of matter do the atoms have the most energy?
gas
300
What is the process called for how plants reproduce?
pollination
300
A cow eats grass and other plants, a raccoon eats fruits and insects, and an eagle eats fish and other small animals.
Which of the these organisms is a carnivore?
eagle
300
If you threw each of the following items with the same amount of force, which would travel the longest distance?
basketball, softball, golf ball, or bowling ball
golf ball
400
What type of data uses numbers?
quantitative
400
What is the difference between a mixture and a solution?
mixture-see the different parts and can be easily separated
solution-something is dissolved and cannot be easily separated
400
What are the three ways pollination can occur?
pollinators (animals and insects), wind, water
400
Where does a frog get its energy from?
grasshopper, butterfly, fruit fly, and dragonfly
400
What two things are used to describe motion?
speed and direction
500
What is the variable that is being tested called?
What is the variable that is being measured called?
independent variable
dependent variable
500
What is the phase change called when heat is added to a liquid?
evaporation or vaporization
500
What are the 3 things needed for photosynthesis and the 2 products that come from photosynthesis?
carbon dioxide, water, sunlight
oxygen and sugar (glucose)
500
What is a habitat and what four things does it provide an organism?
where a plant or animal lives
food, water, shelter, and space
500
Objects at rest stay at rest and objects in motion stay in motion unless a force is applied is called
inertia