Plants
Give one example of how flowers can attract pollinators
They are white or have brightly coloured petals.
They have a scent.
They produce nectar.
They have marks on the petals to guide the insect to the nectar inside the flower.
Sounds are made when things __________.
vibrate
At what temperature does water boil?
100o C
When we eat the right kinds of food and the right amount of food. this is called a ___________ diet
balanced
What do the ‘N’ and ‘S’ on magnets mean?
North and South
What are the 2 jobs of a fruit?
• to protect the seeds inside
• to help spread the seeds.
Describe the difference between pitch and volume
The volume of a sound is how loud or quiet it is.
Pitch describes how high or low the sound is.
Name 2 gases that we find in air
Oxygen
Nitrogen
Carbon dioxide
Steam
Hydrogen
Helium
Explain why Earth experiences days and night
Earth rotates
Sun provides light
Explain "normal force"
A normal force is a support force. A normal force is made on an object that is in contact with another object. The objects do not move.
Explain "germination".
When a seed starts to grow, we say it germinates. The seed uses its food store to give it the energy to grow. Before the seed can start to grow, it needs water. Germination starts when the seed takes in or absorbs water.
_________ is the unit we use to measure sound.
decibel (dB)
Describe 3 differences between a gas and a solid using the particle model
Gas: particles move freely, take the shape of container, particles are far apart, have lots of energy, ...
Solid: Particles only vibrate in place, hard to change its shape, doesn't take shape of container, particles have low energy, ...
Which types of food should you consume the least?
Fats, oils and sugar
Explain why the moon is a natural satellite.
It orbits Earth
It's not man-made
What are the little green leaves that protect the flower bud called?
Sepals
How can we make sound louder?
With an amplifier.
Name 4 steps in the water cycle
Water on the Earth’s surface evaporates.
Evaporation moves up into the air as vapour.
The water vapour cools and condenses as it rises into the air.
Rain, snow and hail are forms of precipitation that bring water back to the Earth’s surface.
Explain why days in summer are longer than in winter
The Earth rotates around a titled axis, creating an imbalance in daylight time, depending on whether you are on the hemisphere that is looking "away" from the sun or "towards" it
____________ is a force that slows things down that are moving through H2O.
Water resistance
Name the 5 stages in the life cycle of a bean plant
(100 points/stage)
flower
seedling
bean pod
adult plant
Seed
Give 2 examples each of
- string instruments
- wind instruments
- percussion instruments
+100 bonus points if you name a string/percussion hybrid
guitar, violin, ...
flute, oboe, (trumpet), ...
drums, cymbals, ...
--> piano
vinegar + bicarbonate of soda =
Carbon dioxide
The food we swallow is pushed down a tube called the ____________
oesophagus
Which forces are acting on you when you ride a bicycle?
Name 4
Gravity
Friction between the tyres and the road
Air resistance
Thrust