9m: Investigating scientific questions

We heat water in a
1. boiling tube
2. petri dish
3. liebig condenser
4. Bunsen burner
We measure the temperature of water with a
1. thermometer
2. pyrometer
3. measuring cylinder
4. spectrometer
We measure the temperature of a furnace with a
1. pyrometer
2. thermometer
3. measuring cylinder
4. spectrometer
We measure the volume of water with a
1. measuring cylinder
2. top-pan balance
3. ruler
4. voltmeter
Volume is measured in
1. centimetres cubed
2. centimetres squared
3. centimetres
4. square centimetres
A gauze is used
1. on a tripod, when heating a beaker
2. to stop the lab bench getting hot
3. to stop the lab bench getting hot
4. to stand a tripod on
To heat things over a Bunsen burner, we need
1. the air hole open
2. the air hole closed
3. a yellow flame
4. a green flame
The time it takes for a pendulum to make one complete swing is called
1. the period of the pendulum
2. the swing time of the pendulum
3. the frequency of the pendulum
4. the duration of the pendulum
Mass is measured in
1. kilograms
2. newtons
3. centimetres cubed
4. seconds
Weight is measured in
1. newtons
2. kilograms
3. centimetres cubed
4. seconds
In Science, time is usually measured in
1. seconds
2. hours
3. light years
4. nanoseconds
Which statement about Bunsen burners is TRUE?
1. The yellow flame is safest because it is more visible
2. The yellow flame is safest because it produces soot
3. The blue flame is safest because it makes a sound you can hear
4. The air hole adjusts the size of the flame
When measuring people, which are all "continuous" variables?
1. height, mass, hand span
2. height, mass, eye colour
3. hair colour, mass, eye colour
4. blood group, height, eye colour
To separate two liquids with different boiling points we could use
1. distillation
2. chromatography
3. filtration
4. decantation
To separate two dyes we could use
1. chromatography
2. distillation
3. filtration
4. decantation
To separate oil and water we could use
1. decantation
2. chromatography
3. distillation
4. filtration
In science, we measure temperature in
1. degrees Celsius
2. degrees Fahrenheit
3. degrees Centigrade
4. degrees
pure water freezes at
1. zero degrees Celsius
2. zero degrees Fahrenheit
3. zero degrees Kelvin
4. 373 degrees Kelvin
Who devised a method of measuring an object's volume by putting it into water?
1. Archimedes
2. Democritus
3. Sir Isaac Newton
4. Stephen Hawking
The period of a simple pendulum depends on
1. its length only
2. its length, and the mass of the bob on the end
3. its length, and the size of the swing (amplitude)
4. the size of the swing (amplitude) and the mass of the bob on the end
using a computer to take measurements for you is called
1. data logging
2. data processing
3. data output
4. data plotting
when plotting a line graph, you should always
1. draw a line of best fit
2. draw a dot-to-dot line between the points
3. draw a straight best fit line with a ruler
4. plot the graph as small as possible, to save paper
which of these is TRUE?
1. taking more readings gives more evidence to support your conclusions
2. it's a waste of time repeating readings
3. it doesn't matter how many readings you take, so long as they're the right ones
4. you should always record readings with as many decimal places as possible
the conclusions for your experiment could begin with
1. "My results show that..."
2. "I am going to set up the equipment and ..."
3. "I predict that when I change , the will change"
4. "I am going to find out..."
the evaluation for your experiment could begin with
1. "If I did this experiment again, I would ..."
2. "My results show that..."
3. "I predict that when I change , the will change"
4. "I am going to find out..."
Input variables are
1. things that we can change in our experiment
2. things that happen because of what we do in the experiment
3. things that must always be kept constant
4. the equipment that we need
Output variables are
1. things that happen because of what we do in the experiment
2. things that we can change in our experiment
3. things that must always be kept constant
4. the equipment that we need
The Ancient Greeks
1. had many good scientific ideas, but did not test them by experiments
2. had many good scientific ideas, which they tested by experiments
3. discovered electric current
4. knew that the Earth orbits the Sun
we can measure the mass of a small object using
1. a top pan balance
2. a thermometer
3. a measuring cylinder
4. a voltmeter
When you get into a bath, the water level goes up. This is called
1. displacement
2. increase
3. upthrust
4. flotation