Material World
Name the three states of matter
Solid, liquid and gas
What is an invertabrate?
An animal that does not have a backbone
Some animals navigate using sound rather than eyesight, this is called...
Echolocation
What keeps all the planets orbiting around the sun?
Gravity
What are the rules on food and drink in the lab?
No eating or drinking in the lab
The temperature where the particles in a liquid break away from each other and form a gas is called...
The boiling point
Objects that are o_____ don't allow any light to be transmitted through them.
Opaque
What is a solar eclipse?
When the moon blocks our view of the sun.
What is the rule about hair when doing an experiment?
Hair shoulder length or longer must be tied up
What is it called when a gas turns into a liquid?
Condensation
True or False: Chromosomes are made up of DNA
TRUE
Which of these has the longest wavelength?
- gamma rays, microwaves, ultra violet, radio waves
Radio waves
Why do the moon and sun look a similar size?
Because the moon is much closer, so even though it is much smaller than the sun, it looks a similar size due to how close it is in comparison.
Sun = bigger, but far away. Moon = smaller, but close.
Where must your bags be when we are in the lab?
Under the bench to the side or under your table out of the way
Why does gold sink in water?
Because it has a higher density / it is more dense than water
Which of these is a producer?
- ant, panda, cactus, mosquito
Cactus - producers create their own food through photosynthesis
If you increase the amplitude of a sound wave, what will you hear?
The volume will increase
How does it work that a year in Mercury is only 88 Earth days long?
It is closer to the sun and therefore takes less time to orbit around the sun (a year = the time it takes to do a full orbit of the sun).
What are the three things you need to have on when doing an experiment in the lab?
Covered shoes
Lab coat
Safety glasses
Why do rugby and football boots put more pressure on the ground than regular shoes?
Because the studs mean the person's weight is distributed over a smaller area
Giraffes having long necks so they can reach higher leaves and the kiwi having brown feathers to blend in with the bush floor, are examples of what?
Adaptions
What does the lens in our eye do?
Bends light entering our eye to focus it on the back of our retina
What is the summer solstice?
The point in Earth's orbit where we get the longest day and shortest night in the year
(Happened last on December 22nd 2023)
If you use a beaker during an experiment, what must you do with it when you are finished with it?
Clean it and put it away where it belongs