Earth Science
Most plants grow in soil. Soil is a mix of tiny rocks, water, air and dead plants. Soil gives plants things they need to grow. Pick 2 needs that plants get from soil.
a. Water
b. Nutrients
c. Light
a. Water
b. Nutrients
Sometimes, animals change their environments to meet their needs. How did the bird change its environment?
a) It buried its food in the ground.
b) It built a nest from grass.
a) it buried its food in the ground.
What gives us heat and light on Earth?
A) The Sun
B) The Moon
C) The Stars
D) The Planets
A) The Sun
Which of these uses the Sun’s energy to make food?
A) An ant
B) A lawn chair
C) A cat
D) A tree
D) A tree
Deb picks up a glass vase. She holds it in front of a flashlight. Why does the vase make a shadow that is light in the middle?
a.) The vase lets some light go through.
b.) There is more light on the vase.
c.) The vase blocks all the light.
a.) The vase lets some light go through
Which is NOT a body of water?
a. Bay
b. River
c. Peninsula
d. Ocean
c. Peninsula
What do we call a place where plants and animals live together?
A) Ecosystem
B) School
C) Neighborhood
D) Playground
A) Ecosystem
Why does the Moon look like it changes shape?
A) It moves around Earth
B) It changes color
C) It spins like a top
D) Clouds cover it
A) It moves around Earth
Which of these is an example of light energy?
A) A running stream
B) An ice cube melting
C) A rock resting on the ground
D) The sun shining
D) The sun shining
What happens when water freezes?
A) It becomes gas
B) It disappears
C) It turns from a liquid into a solid
D) It becomes hot
C) It turns from a liquid into a solid
Which layer of Earth is made of rock we walk on?
a. Core
b. Mantle
c. Center
d. Crust
d. Crust
What do decomposers do?
A) Make food
B) Block sunlight
C) Chase predators
D) Break down dead plants and animals.
D) Break down dead plants and animals.
What causes day and night on Earth?
A) The Sun moving around Earth
B) Earth spinning on its axis
C) The Moon blocking the Sun
D) Earth moving closer to the Sun
B) Earth spinning on its axis
Which object converts electrical energy into light energy?
A) A light bulb
B) A fan
C) A rock
D) The moon
A) A light bulb
Why is pollination important for plants?
A) To help soil get nutrients
B) To move water through the plant
C) To produce seeds and fruit
D) To reduce sunlight
C) To produce seeds and fruit
Which cloud type is white, puffy, and looks like cotton balls?
a. Cumulus
b. Status
c. Cirrus
d. Sirius
a. Cumulus
Which human activity does NOT help ecosystems?
A) Planting trees
B) Protecting animals
C) Polluting rivers
D) Recycling
C) Polluting Rivers
What keeps Earth and the other planets moving around the Sun?
A) The wind in space
B) Gravity
C) The Moon
D) The Sun’s light
What kind of input energy does clapping your hands need?
A) Sound energy
B) Light energy
C) Motion energy
D) Magnetic energy
C) Motion Energy
How is the tilt of the Earth related to seasons?
A) It has no effect
B) Tilt causes different parts of Earth to receive different amount of sunlight during the year
C) Tilt causes the Earth to spin faster
D) Tilt makes days shorter and nights longer everywhere equally
B) Tilt causes different parts of Earth to receive different amount of sunlight during the year
Which process breaks rocks into smaller pieces without moving them?
a. Erosion
b. Condensation
c. Melting
d. Weathering
d. Weathering
Why does removing one species sometimes harm the whole ecosystem?
A) Food chains are connected
B) Animals don’t need plants
C) Producers don’t matter
D) Energy is unlimited
A) Food chains are connected.
Why can’t we see stars during the day?
A) The stars disappear in the daytime
B) The Sun’s light is too bright and blocks the stars
C) The stars are hiding behind the Moon
D) The stars turn off their light during the day
B) The Sun's light is too bright and blocks the stars
A light bulb converts electrical energy into which two types of energy?
A) Sound and chemical
B) Motion and chemical
C) Light and thermal
D) Light and sound
C) Light and thermal
What causes tides on Earth?
A) Wind and storms only
B) The rotation of Earth only
C) Ocean currents only
D) The gravitational pull of the Moon and Sun on Earth’s oceans
D) The gravitational pull of the Moon and Sun on Earth's oceans.