Science Term 3 test Investigate Flashcards
What are 4 rules that must be followed when drawing a scientific diagram?
1 Use only pencil to draw
2 Title your drawing at the top of your paper.
3 All details must be included in drawing, and it must be large enough to fill paper… …
4 Use a ruler to draw label lines…we call this a straight edge.
Aim
What are you trying to find out?
Hypothesis
What is your prediction? What do you think will happen?
Independent variable
What are you changing?
Dependent variable
The thing being measured
Controlled variables
Things kept the same
How to create a fair test?
Change 1 factor at a time while keeping all other conditions the same
The higher a ball is dropped from, the higher it will bounce
IV: How high its dropped from DV: How high it will bounce CV: The type of ball, landing, and landing space
The more sunlight a plant gets, the bigger the plant will be.
IV: Amount of sunlight it gets DV: How big the plant is CV: Type of plant, environment, how much water it gets
The longer a tea bag is left in the water, the stronger the tea will be
IV: How long the teabag is left in water DV: How strong the tea is CV: The type of tea, temperature of water, volume of water.
The bigger the piece of wood is, the longer it will take to burn
IV: Size of wood DV: How long it takes to burn (minutes) CV: Type of wood, shape of wood, temperature of fire.
Does temperature affect how much salt dissolves in water
IV: Temperature DV: How much salt dissolves in water CV: Type of salt, mixing or no mixing, how much water