Life Science
What part of a plant takes in water from the soil?
Roots
What causes day and night?
Earth's rotation on its axis
What are the three states of matter?
Solid, Liquid, Gas
What is a hypothesis?
an educated guess (inference) or prediction
What is the force that pulls objects to the ground?
gravity
What do animals need to survive?
Food, Water, Air, Shelter
What season is it when the Northern Hemisphere tilts towards the sun?
Summer
What tool measures temperature?
Thermometer
Why is it important to do a fair test? (change one variable at a time)
To make sure your results are accurate and that other changing variables aren't affecting the results.
Which planet is known as the "Red Planet"?
Mars
Which body system helps you breathe?
Respiratory System
What do we call a rock that forms from lava or magma?
Igneous Rock
What happens when light hits a mirror?
it reflects
Why is it important to repeat an experiment?
to verify results.
What do we call rain, snow, sleet, or hail?
Precipitation
How do traits get passed from parents to offspring?
Through inherited genes / DNA
Name Three types of severe weather.
Tornado, hurricane, blizzard, tsunami, earthquakes
What is energy that comes from the sun?
What are the steps to the scientific method?
Ask, hypothesize, experiment, observe, conclude
What are fossils and what do they tell us?
Remains of living things; they show Earth's past life and environments.
Name three ways animals adapt to survive in the environment.
Camouflage, migration, hibernation, specialization, defensive behaviors, mating behaviors, mimicry, physical adaptations such as fat insulation, streamlined bodies for swimming, etc.
How can erosion change the shape of the land over time?
By wearing it down and carrying away soil and rocks
Physical: Ice melting Chemical: Baking a cake
Why do scientists use models?
To show things too big/small/complex to observe directly.
To communicate ideas
How does the sun help plants grow?
gives energy for photosynthesis