Which two processes of sexual reproduction in flowers do animals play a part in?
A. Pollination and fertilization
B. Pollination and seed dispersal
C. Seed dispersal and fertilization
D. Germination and seed dispersal
B. Pollination and seed dispersal
Why do we see different phases of the moon throughout the month?
The moon revolves around the Earth, so the light is reflected on different areas of the moon.
The three stages of matter are solid, liquid and gas. Which process changes water vapor into liquid water?
Condensation
The sun is the main source of energy on Earth. Which statement is true about the sun?
The sun gives off heat energy
What term best describes the transformation that involves the breaking down of rocks?
Weathering
Living things undergo a series of changes in their lifetime. What do scientists call the series of changes in the life of all living things?
A. A life step
B. A life cycle
C. Complete metamorphosis
D. Incomplete Metamorphosis
B. A life cycle
Earth rotates on its axis. As a result, which prediction can be made for tonight?
Stars will seem to move across the sky from east to west.
How does water change its state of matter as it heats up in a kettle?
Liquid changes to a gas
What is the definition of a food chain?
Sequence of transfers of matter and energy in the form of food from one organism to another
Which if the following is an example of weathering?
A. Rocks move downhill due to gravity
B. Rocks travel downstream
C. A rock is wedged apart due to plant roots
D. A rock is tossed to another student
C. A rock is wedged apart due to plant roots
Which answer bests represents germination?
A. The sprouting of a plant to a seed
B. The joining of an egg cell and sperm cell
C. The transport of a seed from one location to another?
D. Transfer of pollen from the male part (stamen) to the female part (pistil) of a flower
A. The sprouting of a plant to a seed
What causes certain constellations to only be seen in certain seasons?
The Earth revolves around the sun.
Name the three main processes in the water cycle and the phase changes.
Evaporation, Condensation and Precipitation
(liquid - gas, gas to liquid, liquid to liquid or solid)
A plant in an aquarium would be considered a...
A. Producer
B. Consumer
C. Decomposer
D. Herbivore
A. Producer
Which of the following is an example of erosion?
A. Sediments are scraped off a rock
B. Rocks are smoothed in a rock tumbler
C. A rock is wedged apart due to plant roots
D. Water moved rocks downhill due to gravity
D. Water moved rocks downhill due to gravity
What 3 things do plants need to grow and survive?
sunlight, water and air
If you look into the night sky and make observations about the moon and stars, what observations can be made early in the morning?
The moon and start patterns will look like they have changed positions.
How does the water cycle relate to weather?
It is related through humidity, cloud formation and precipitation
What is a consumer in a food chain?
An organism that CANNOT produce its own food and must eat other plants and animals for energy.
You shine a light through a glass window and are surprised to find it shines right through. Based on the way the light shines through, how would you describe the window?
A. Absorb
B. Opaque
C. Translucent
D. Transparent
D. Transparent
What is the ovary responsible for in the plant reproductive system?
They contain the ovules (egg cells) which when fertilized by the pollen, develop into seeds.
Seasons change due to the ________of the Earth.
Revolution
If the weather is bad, what is the atmospheric pressure high or low?
Low
Give an example of a simple food chain (at least 4)
Ex. algae, brine shrimp, fish, bird
Based on your understanding of pitch, what is the possible reason that the tightness of a rubber band can change the pitch of sound?
It makes the rubber band vibrate faster or slower.