Physics
What force pulls objects toward Earth?
Gravity
Which organ in the human body pumps blood?
The heart
What are the three states of matter?
Solid, liquid, gas
List 2 safety measures we use in an experiment that uses a bunsen burner
Tie hair back, safety glasses
Which planet is known as the Red Planet?
Mars
Speed = distance ÷ ______
Time
What molecule carries genetic information?
DNA
What does the atomic number tell you about an atom?
The number of protons
What are the 3 variables we have in an experiment and what does each mean?
Independent - What we change
Dependent - What we measure
Controlled - What we keep the same
Students are testing which type of ball is the bounciest, on different surfaces. List 2 controlled variables needed for this experiment
1. Dropped at same height
2. Same amount of force per drop
3. Same conditions
What is the unit for speed?
m/s
What process allows plants to make their own food?
Photosynthesis
What is the chemical formula for water?
H₂O
What does repeating an experiment multiple times to receive an average add to an experiment?
Reliability + accuracy of results
The formula for the area of a rectangle is length × ______
Width
What is the term we use for the bending of light?
Refraction
What is the term for a group of organisms that can interbreed?
Species
What is the difference between a compound and a mixture?
Compounds are chemically bonded, mixtures are not
What type of graph is used to show the relationship between two continuous variables?
Line Graph
Which part of a plant takes in water?
Roots
What do we call materials that DO NOT allow electricity to pass easily?
Insulators
What is the name for differences in traits between individuals?
Variation
What is the law that states matter cannot be created or destroyed?
Law of Conservation of Mass
List 5 sub-headings used in a scientific report
Title, Aim, Hypothesis, method, discussion, conclusion, risk assessment etc
What is the main gas we exhale?
Carbon Dioxide