Cells
What is the basic unit of life?
The cell
Define classification.
The grouping of living things.
What force pulls objects towards the Earth?
Gravity
H2O
What star is at the centre of our solar system?
The Sun
Are cells living or non-living?
Living
Which kingdom do humans belong to?
Animalia or Animal Kingdom
What force slows objects down when they rub together?
Friction
Carbon
What do we call animals that eat only plants?
Herbivores
What does the Nucleus do?
Contains and protects the DNA
Which characteristic best separates vertebrates from invertebrates?
Presence of a backbone
What type of energy is movement energy?
Kinetic energy
Which method separates salt from saltwater?
Evaporation
What instrument measures force?
Spring balance
Why do plant cells need chloroplasts but animal cells do not?
For photosynthesis
What is a dichotomous key?
To identify organisms using yes/no questions
Define a force.
A push or pull.
What do we call the state of matter that has free-floating and evenly spread molecules?
A gas
Which system in the body carries messages using electrical signals?
Nervous system
Name one structure found in plant cells but not animal cells.
Cell wall / Chloroplast / Large vacuole
What is the other term for the 'scientific name' of living things?
The binomial name.
What is the difference between mass and weight?
Mass is the amount of matter in an object and stays the same wherever you are. It is measured in kilograms (kg).
Which method separates different coloured inks?
Chromatography
What gas makes up most of Earth’s atmosphere?
Nitrogen