Science skills
What are three used apparatus in the labs?
Beakers, test tubes and funnels.
Air resistance
Describe the particles in a solid:
It vibrates and sticks with each other.
What part in a cell does photosynthesis occur?
Chloroplasts
What do particles look like in water?
It is still touching but it is moving like marbles.
What variable is used for measuring?
The dependent variable.
What is the farthest planet from the sun?
Neptune
What is the most reactive element in group 7?
Fluorine
What does a plant cell have that an animal cell doesn't have? Give only one
Cell wall or various answers.
What is a dominant allele?
It is the relationship with two versions of genes(alleles) from each parent
What are all the variables?
Independent, dependent and control variables.
What force slows objects down?
Friction
What is a compound?
A compound is a substance that is made up of two or more atoms chemically combined.
What are the two types of alleles?
Dominant allele and recessive allele
How do children get their genes?
From their parents.
What practical skill do you do first to carry out your scientific investigations?
You start planning first for your scientific investigation.
What is the unit of force?
Newtons
What is a element?
A substance that is made up of only one type of atom.
What does the cillia cell do?
It moves the mucus
How does light travel?
Light travels in wave and always in straight lines.
What are all the stages to carry out you scientific investigation?
Make an observation, make a question, make a hypothesis, make predictions with hypothesis, test the predictions and then repeat again to make the predicition correct.
What is the main difference between a series circuit and a parallel circuit?
In a series circuit, the same amount of current flows through all the components whereas in a parallel circuit the current splits up.
What happens when salt reacts with water?
The salt dissolves because the chemical bonds of water are stronger than the bonds in the salt.
List 7 the parts in a plant cell:
Cell wall, cell membrane, nucleaus, vacuole, ribosomes, mitochondria,chloroplast and cytoplasm.
List all the gases we breathe in:
Nitrogen, oxygen, argon, carbon dioxide.