fisiks Flashcards
What are ultrasounds used for?
Looking at unborn babies
Which of these is the best way to measure a force?
1 Using a force meter
2 Using a ruler
3 Using a thermometer
Using a force meter
What is the unit of force called?
1 The newton, n
2 The newton, N
3 The neutron, N
The newton, N
Waves in water are what type?
1 Transverse
2 Longitudinal
3 Light
transverse
Which is the correct order, starting with the smallest and ending with the largest?
1 Planet - star - galaxy
2 Planet - galaxy - star
3 Star - planet - galaxy
Planet - star - galaxy
What energy comes from audio players?
Sound energy
What are all substances made from?
1 Atoms
2 Electrons
3 Circles
Atoms
Which travels most quickly?
1 Water waves
2 Sound waves
3 Light waves
Light waves
What is the retina?
1 The part of your eye that sends the image to your brain
2 The part of your eye that focuses light
3 The light-sensitive section at the back of your eye
The light-sensitive section at the back of your eye
Which travels most quickly?
1 Water waves
2 Sound waves
3 Light waves
Light waves
Which of the following are magnetic poles?
1 North and south
2 East and west
3 Red and blue
North and south
What do two poles of the same type do when they are brought close together?
1 They attract
2 They repel
3 Nothing
They repel