Prediction/statement about what you think will happen in an investigation
Hypothesis
When would you only draw a bar chart?
Categorical data
How many years ago did the universe begin?
13.8 billion years ago
A collection of millions of stars
Galaxy
Name the star in our solar system
The Sun
What do we compare our results to?
Control
What variable do you put on the Y-axis?
Dependent variable
All matter started as what?
a singularity
Large round object, orbits a star, has enough gravitational force to pull other objects into its orbit
Planet
What solar system are we part of?
The Milky Way
The factor I change is known as..
Independent Variable
When communicating the outcome of an investigation you should always explain the relationship between what two variables?
Independent and dependent variables
What theory relate to a singularity expanding rapidly in a hot explosion?
The big bang theory
Is a natural satellite
Moon
Name all the terrestrial planets in our solar system
Mercury, Venus, Earth, Mars
The factor I measure is the ...
dependent variable
What variable do you put on the x-axis?
Independent variable
How many years ago did our solar system form?
4.6 billion years ago
Made up of frozen gases, rock and dust.
Comet
Between what two planets is there a large asteroid belt
Mars & Jupiter
How would I ensure reliability in an experiment?
Repeat it.
How would you describe a straight line graph going through (0,0)?
Directly proportional
How do we know the universe is still expanding?
Galaxies are moving apart
This is formed from the gases and dust heating up from the sun
Comet's tail
Sun at the centre of our universe and everything rotating around it is known as what?
Heliocentric