Forces
What is a force?
A push or a pull
Name one living thing.
Answers will vary
What does biotic and abiotic mean?
Biotic - living thing
Abiotic - non-living
What is an independent variable?
The variable we change on purpose.
Which one is the "Method" sentence?
A) The cup was filled with water.
B) Fill the cup with water.
A
What is a contact force?
A force that is made when two objects are touching. Eg. Friction
What are the 7 things all living things must do? Think MRS GREN.
Move, Respire, Sense, Grow, Reproduce, Excrete and Nutrients.
What is an ecosystem?
A combination of biotic and abiotic factors working together.
What is the dependent variable?
The variable that we measure.
Using the Step - 1) Fill the cup with water.
What is the object?
The cup
What is a non-contact force?
A force that is made although objects are not touching each other. Eg. Gravity
What are the five types of vertebrates?
Mammals, fish, reptiles, amphibians, birds
What is a producer and a consumer?
Producer - makes its own food. Eg. Plant
Consumer - eats producers and other consumers. Eg. Snake
What is a controlled variable?
The variables we must keep the same.
Using the Step - 1) Fill the cup with water.
What is the verb?
Fill
What is a balanced force? Give two examples.
The forces on an object are the same size. Eg. Stationary object or object moving at a constant speed.
What is a dichotomous key?
A key where two options are given.
Label the producer, primary consumer, secondary consumer and tertiary consumer
producer > primary consumer > secondary consumer > tertiary consumer
What three things are important in a hypothesis?
1) Independent Variable
2) Dependent Variable
3) The predicted relationship
Using the Step - 1) The cup was filled with water.
Label the Object, Verb helper and the Verb in past participle
Cup
was
filled
What is an unbalanced force? Give two examples
An unbalanced force is when forces are not the same size. Eg. An object accelerating (speeding up) and an object decelerating (slowing down)
Use the dichotomous key in your revision pack. What is the shaded blob?
C
a) What is biodiversity?
b) Name two ways humans have impacted the Earth's biodiversity.
a) Biodiversity is the variety of life of earth.
b) Pollution, deforestation, burning fossil fuels etc
What is important to have in a column graph?
- Title
- Independent variable on horizontal axis
- Dependent variable on vertical axis
- Axis labelled with units
- Data!
Write the following in past participle:
a) pull
b) draw
c) read
A) pulled
B) drawn
C) read